X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=configure;h=ffb7b7a9f1b4221ff7a40e301efcb3a828fb0aa8;hb=ec06701b5473894514b25e4054dd5597e25a22e8;hp=1a3b376886e70f4c577e6cf5b3f591e96f5d51fb;hpb=23aa63cbf5e712493d9439f888e426f89bb97857;p=mirror_spl-debian.git

diff --git a/configure b/configure
index 1a3b376..ffb7b7a 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.63.
+# Generated by GNU Autoconf 2.63 for spl 0.7.2.
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
 # 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
@@ -741,11 +741,11 @@ MAKEFLAGS=
 SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Identity of this package.
-PACKAGE_NAME=
-PACKAGE_TARNAME=
-PACKAGE_VERSION=
-PACKAGE_STRING=
-PACKAGE_BUGREPORT=
+PACKAGE_NAME='spl'
+PACKAGE_TARNAME='spl'
+PACKAGE_VERSION='0.7.2'
+PACKAGE_STRING='spl 0.7.2'
+PACKAGE_BUGREPORT=''
 
 # Factoring default headers for most tests.
 ac_includes_default="\
@@ -791,6 +791,9 @@ CONFIG_KERNEL_FALSE
 CONFIG_KERNEL_TRUE
 CONFIG_USER_FALSE
 CONFIG_USER_TRUE
+DEBUG_KMEM_TRACKING
+DEBUG_KMEM
+DEBUG_SPL
 DEBUG_CFLAGS
 KERNELCPPFLAGS
 KERNELMAKE_PARAMS
@@ -799,8 +802,6 @@ LINUX_VERSION
 LINUX_OBJ
 LINUX
 SPL_CONFIG
-DEFAULT_PACKAGE
-VENDOR
 ALIEN_VERSION
 ALIEN
 HAVE_ALIEN
@@ -810,13 +811,23 @@ HAVE_DPKGBUILD
 DPKG_VERSION
 DPKG
 HAVE_DPKG
+SRPM_DEFINE_COMMON
+SRPM_DEFINE_DKMS
+SRPM_DEFINE_KMOD
+SRPM_DEFINE_UTIL
+RPM_DEFINE_COMMON
+RPM_DEFINE_DKMS
+RPM_DEFINE_KMOD
+RPM_DEFINE_UTIL
+RPM_SPEC_DIR
 RPMBUILD_VERSION
 RPMBUILD
 HAVE_RPMBUILD
 RPM_VERSION
 RPM
 HAVE_RPM
-LICENSE
+DEFAULT_PACKAGE
+VENDOR
 CPP
 OTOOL64
 OTOOL
@@ -858,7 +869,6 @@ am__tar
 AMTAR
 am__leading_dot
 SET_MAKE
-AWK
 mkdir_p
 MKDIR_P
 INSTALL_STRIP_PROGRAM
@@ -899,9 +909,12 @@ SPL_META_LT_CURRENT
 SPL_META_AUTHOR
 SPL_META_DATA
 SPL_META_ALIAS
+SPL_META_LICENSE
+RELEASE
 SPL_META_RELEASE
 SPL_META_VERSION
 SPL_META_NAME
+AWK
 target_alias
 host_alias
 build_alias
@@ -951,7 +964,9 @@ with_pic
 enable_fast_install
 with_gnu_ld
 enable_libtool_lock
+with_spec
 with_config
+enable_linux_builtin
 with_linux
 with_linux_obj
 enable_debug
@@ -1008,7 +1023,7 @@ sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
-docdir='${datarootdir}/doc/${PACKAGE}'
+docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
 infodir='${datarootdir}/info'
 htmldir='${docdir}'
 dvidir='${docdir}'
@@ -1520,7 +1535,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures this package to adapt to many kinds of systems.
+\`configure' configures spl 0.7.2 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1568,7 +1583,7 @@ Fine tuning of the installation directories:
   --infodir=DIR           info documentation [DATAROOTDIR/info]
   --localedir=DIR         locale-dependent data [DATAROOTDIR/locale]
   --mandir=DIR            man documentation [DATAROOTDIR/man]
-  --docdir=DIR            documentation root [DATAROOTDIR/doc/PACKAGE]
+  --docdir=DIR            documentation root [DATAROOTDIR/doc/spl]
   --htmldir=DIR           html documentation [DOCDIR]
   --dvidir=DIR            dvi documentation [DOCDIR]
   --pdfdir=DIR            pdf documentation [DOCDIR]
@@ -1590,7 +1605,9 @@ _ACEOF
 fi
 
 if test -n "$ac_init_help"; then
-
+  case $ac_init_help in
+     short | recursive ) echo "Configuration of spl 0.7.2:";;
+   esac
   cat <<\_ACEOF
 
 Optional Features:
@@ -1608,8 +1625,10 @@ Optional Features:
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
+  --enable-linux-builtin  Configure for builtin in-tree kernel modules
+                          [default=no]
   --enable-debug          Enable generic debug support [default=no]
-  --enable-debug-kmem     Enable basic kmem accounting [default=yes]
+  --enable-debug-kmem     Enable basic kmem accounting [default=no]
   --enable-debug-kmem-tracking
                           Enable detailed kmem tracking [default=no]
   --enable-atomic-spinlocks
@@ -1621,6 +1640,7 @@ Optional Packages:
   --with-pic              try to use only PIC/non-PIC objects [default=use
                           both]
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
+  --with-spec=SPEC        Spec files 'generic|redhat'
   --with-config=CONFIG    Config file 'kernel|user|all|srpm'
   --with-linux=PATH       Path to kernel source
   --with-linux-obj=PATH   Path to kernel build objects
@@ -1700,7 +1720,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-configure
+spl configure 0.7.2
 generated by GNU Autoconf 2.63
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1714,7 +1734,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by $as_me, which was
+It was created by spl $as_me 0.7.2, which was
 generated by GNU Autoconf 2.63.  Invocation command line was
 
   $ $0 $@
@@ -2062,6 +2082,14 @@ fi
 
 
 
+
+
+
+
+
+
+
+
 
 
 
@@ -2081,24 +2109,57 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+	for ac_prog in gawk mawk nawk awk
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_AWK+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$AWK"; then
+  ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_AWK="$ac_prog"
+    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+  { $as_echo "$as_me:$LINENO: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
+else
+  { $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$AWK" && break
+done
+
 	{ $as_echo "$as_me:$LINENO: checking metadata" >&5
 $as_echo_n "checking metadata... " >&6; }
 
 	META="$srcdir/META"
-	_spl_ac_meta_got_file=no
+	_spl_ac_meta_type="none"
 	if test -f "$META"; then
-		_spl_ac_meta_got_file=yes
-
-		SPL_META_NAME=`perl -n\
-		-e "BEGIN { \\$key=shift @ARGV; }"\
-		-e "next unless s/^\s*\\$key[:=]//i;"\
-		-e "s/^((?:[^'\"#]*(?:(['\"])[^\2]*\2)*)*)#.*/\\$1/;"\
-		-e "s/^\s+//;"\
-		-e "s/\s+$//;"\
-		-e "s/^(['\"])(.*)\1/\\$2/;"\
-		-e "\\$val=\\$_;"\
-		-e "END { print \\$val if defined \\$val; }"\
-		'(?:NAME|PROJECT|PACKAGE)' $META`;
+		_spl_ac_meta_type="META file"
+
+		SPL_META_NAME=`$AWK -F ':[ \t]+' '$1 ~ /^ *(Name|Project|Package)$/ { print $2; exit }' $META`;
 		if test -n "$SPL_META_NAME"; then
 
 cat >>confdefs.h <<_ACEOF
@@ -2108,16 +2169,7 @@ _ACEOF
 
 		fi
 
-		SPL_META_VERSION=`perl -n\
-		-e "BEGIN { \\$key=shift @ARGV; }"\
-		-e "next unless s/^\s*\\$key[:=]//i;"\
-		-e "s/^((?:[^'\"#]*(?:(['\"])[^\2]*\2)*)*)#.*/\\$1/;"\
-		-e "s/^\s+//;"\
-		-e "s/\s+$//;"\
-		-e "s/^(['\"])(.*)\1/\\$2/;"\
-		-e "\\$val=\\$_;"\
-		-e "END { print \\$val if defined \\$val; }"\
-		'VERSION' $META`;
+		SPL_META_VERSION=`$AWK -F ':[ \t]+' '$1 ~ /^ *Version$/ { print $2; exit }' $META`;
 		if test -n "$SPL_META_VERSION"; then
 
 cat >>confdefs.h <<_ACEOF
@@ -2127,16 +2179,25 @@ _ACEOF
 
 		fi
 
-		SPL_META_RELEASE=`perl -n\
-		-e "BEGIN { \\$key=shift @ARGV; }"\
-		-e "next unless s/^\s*\\$key[:=]//i;"\
-		-e "s/^((?:[^'\"#]*(?:(['\"])[^\2]*\2)*)*)#.*/\\$1/;"\
-		-e "s/^\s+//;"\
-		-e "s/\s+$//;"\
-		-e "s/^(['\"])(.*)\1/\\$2/;"\
-		-e "\\$val=\\$_;"\
-		-e "END { print \\$val if defined \\$val; }"\
-		'RELEASE' $META`;
+		SPL_META_RELEASE=`$AWK -F ':[ \t]+' '$1 ~ /^ *Release$/ { print $2; exit }' $META`;
+		if test ! -f ".nogitrelease" && git rev-parse --git-dir > /dev/null 2>&1; then
+			_match="${SPL_META_NAME}-${SPL_META_VERSION}"
+			_alias=$(git describe --match=${_match} 2>/dev/null)
+			_release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g')
+			if test -n "${_release}"; then
+				SPL_META_RELEASE=${_release}
+				_spl_ac_meta_type="git describe"
+			else
+				_match="${SPL_META_NAME}-${SPL_META_VERSION}-${SPL_META_RELEASE}"
+	                        _alias=$(git describe --match=${_match} 2>/dev/null)
+	                        _release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g')
+				if test -n "${_release}"; then
+					SPL_META_RELEASE=${_release}
+					_spl_ac_meta_type="git describe"
+				fi
+			fi
+		fi
+
 		if test -n "$SPL_META_RELEASE"; then
 
 cat >>confdefs.h <<_ACEOF
@@ -2144,6 +2205,19 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+
+			RELEASE="$SPL_META_RELEASE"
+
+		fi
+
+		SPL_META_LICENSE=`$AWK -F ':[ \t]+' '$1 ~ /^ *License$/ { print $2; exit }' $META`;
+		if test -n "$SPL_META_LICENSE"; then
+
+cat >>confdefs.h <<_ACEOF
+#define SPL_META_LICENSE "$SPL_META_LICENSE"
+_ACEOF
+
+
 		fi
 
 		if test -n "$SPL_META_NAME" -a -n "$SPL_META_VERSION"; then
@@ -2158,16 +2232,7 @@ _ACEOF
 
 		fi
 
-		SPL_META_DATA=`perl -n\
-		-e "BEGIN { \\$key=shift @ARGV; }"\
-		-e "next unless s/^\s*\\$key[:=]//i;"\
-		-e "s/^((?:[^'\"#]*(?:(['\"])[^\2]*\2)*)*)#.*/\\$1/;"\
-		-e "s/^\s+//;"\
-		-e "s/\s+$//;"\
-		-e "s/^(['\"])(.*)\1/\\$2/;"\
-		-e "\\$val=\\$_;"\
-		-e "END { print \\$val if defined \\$val; }"\
-		'DATE' $META`;
+		SPL_META_DATA=`$AWK -F ':[ \t]+' '$1 ~ /^ *Date$/ { print $2; exit }' $META`;
 		if test -n "$SPL_META_DATA"; then
 
 cat >>confdefs.h <<_ACEOF
@@ -2177,16 +2242,7 @@ _ACEOF
 
 		fi
 
-		SPL_META_AUTHOR=`perl -n\
-		-e "BEGIN { \\$key=shift @ARGV; }"\
-		-e "next unless s/^\s*\\$key[:=]//i;"\
-		-e "s/^((?:[^'\"#]*(?:(['\"])[^\2]*\2)*)*)#.*/\\$1/;"\
-		-e "s/^\s+//;"\
-		-e "s/\s+$//;"\
-		-e "s/^(['\"])(.*)\1/\\$2/;"\
-		-e "\\$val=\\$_;"\
-		-e "END { print \\$val if defined \\$val; }"\
-		'AUTHOR' $META`;
+		SPL_META_AUTHOR=`$AWK -F ':[ \t]+' '$1 ~ /^ *Author$/ { print $2; exit }' $META`;
 		if test -n "$SPL_META_AUTHOR"; then
 
 cat >>confdefs.h <<_ACEOF
@@ -2197,36 +2253,9 @@ _ACEOF
 		fi
 
 
-		SPL_META_LT_CURRENT=`perl -n\
-		-e "BEGIN { \\$key=shift @ARGV; }"\
-		-e "next unless s/^\s*\\$key[:=]//i;"\
-		-e "s/^((?:[^'\"#]*(?:(['\"])[^\2]*\2)*)*)#.*/\\$1/;"\
-		-e "s/^\s+//;"\
-		-e "s/\s+$//;"\
-		-e "s/^(['\"])(.*)\1/\\$2/;"\
-		-e "\\$val=\\$_;"\
-		-e "END { print \\$val if defined \\$val; }"\
-		'LT_CURRENT' $META`;
-		SPL_META_LT_REVISION=`perl -n\
-		-e "BEGIN { \\$key=shift @ARGV; }"\
-		-e "next unless s/^\s*\\$key[:=]//i;"\
-		-e "s/^((?:[^'\"#]*(?:(['\"])[^\2]*\2)*)*)#.*/\\$1/;"\
-		-e "s/^\s+//;"\
-		-e "s/\s+$//;"\
-		-e "s/^(['\"])(.*)\1/\\$2/;"\
-		-e "\\$val=\\$_;"\
-		-e "END { print \\$val if defined \\$val; }"\
-		'LT_REVISION' $META`;
-		SPL_META_LT_AGE=`perl -n\
-		-e "BEGIN { \\$key=shift @ARGV; }"\
-		-e "next unless s/^\s*\\$key[:=]//i;"\
-		-e "s/^((?:[^'\"#]*(?:(['\"])[^\2]*\2)*)*)#.*/\\$1/;"\
-		-e "s/^\s+//;"\
-		-e "s/\s+$//;"\
-		-e "s/^(['\"])(.*)\1/\\$2/;"\
-		-e "\\$val=\\$_;"\
-		-e "END { print \\$val if defined \\$val; }"\
-		'LT_AGE' $META`;
+		SPL_META_LT_CURRENT=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Current$/ { print $2; exit }' $META`;
+		SPL_META_LT_REVISION=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Revision$/ { print $2; exit }' $META`;
+		SPL_META_LT_AGE=`$AWK -F ':[ \t]+' '$1 ~ /^ *LT_Age$/ { print $2; exit }' $META`;
 		if test -n "$SPL_META_LT_CURRENT" \
 				 -o -n "$SPL_META_LT_REVISION" \
 				 -o -n "$SPL_META_LT_AGE"; then
@@ -2254,8 +2283,8 @@ _ACEOF
 		fi
 	fi
 
-	{ $as_echo "$as_me:$LINENO: result: $_spl_ac_meta_got_file" >&5
-$as_echo "$_spl_ac_meta_got_file" >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $_spl_ac_meta_type" >&5
+$as_echo "$_spl_ac_meta_type" >&6; }
 
 
 ac_aux_dir=
@@ -2289,6 +2318,7 @@ ac_config_sub="$SHELL $ac_aux_dir/config.sub"  # Please don't use this var.
 ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 
+
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
   { { $as_echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
@@ -2446,7 +2476,7 @@ fi
 case $enable_silent_rules in
 yes) AM_DEFAULT_VERBOSITY=0;;
 no)  AM_DEFAULT_VERBOSITY=1;;
-*)   AM_DEFAULT_VERBOSITY=1;;
+*)   AM_DEFAULT_VERBOSITY=0;;
 esac
 AM_BACKSLASH='\'
 
@@ -2794,48 +2824,6 @@ case $mkdir_p in
   */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
 esac
 
-for ac_prog in gawk mawk nawk awk
-do
-  # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AWK+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$AWK"; then
-  ac_cv_prog_AWK="$AWK" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_AWK="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-AWK=$ac_cv_prog_AWK
-if test -n "$AWK"; then
-  { $as_echo "$as_me:$LINENO: result: $AWK" >&5
-$as_echo "$AWK" >&6; }
-else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  test -n "$AWK" && break
-done
-
 { $as_echo "$as_me:$LINENO: checking whether ${MAKE-make} sets \$(MAKE)" >&5
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
@@ -2899,8 +2887,8 @@ fi
 
 
 # Define the identity of the package.
- PACKAGE=$SPL_META_NAME
- VERSION=$SPL_META_VERSION
+ PACKAGE='spl'
+ VERSION='0.7.2'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -4166,8 +4154,8 @@ esac
 
 
 
-macro_version='2.2.6'
-macro_revision='1.3012'
+macro_version='2.2.6b'
+macro_revision='1.3017'
 
 
 
@@ -4777,13 +4765,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:4780: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:4768: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:4783: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:4771: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:4786: output\"" >&5)
+  (eval echo "\"\$as_me:4774: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -5989,7 +5977,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 5992 "configure"' > conftest.$ac_ext
+  echo '#line 5980 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -7817,6 +7805,10 @@ _lt_linker_boilerplate=`cat conftest.err`
 $RM -r conftest*
 
 
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
 if test -n "$compiler"; then
 
 lt_prog_compiler_no_builtin_flag=
@@ -7842,11 +7834,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7845: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7837: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7849: \$? = $ac_status" >&5
+   echo "$as_me:7841: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -8181,11 +8173,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:8184: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8176: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:8188: \$? = $ac_status" >&5
+   echo "$as_me:8180: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -8286,11 +8278,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:8289: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8281: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:8293: \$? = $ac_status" >&5
+   echo "$as_me:8285: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -8341,11 +8333,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:8344: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:8336: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:8348: \$? = $ac_status" >&5
+   echo "$as_me:8340: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -11144,7 +11136,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11147 "configure"
+#line 11139 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11240,7 +11232,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11243 "configure"
+#line 11235 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11469,13 +11461,65 @@ CC="$lt_save_CC"
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking spl author" >&5
+$as_echo_n "checking spl author... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $SPL_META_AUTHOR" >&5
+$as_echo "$SPL_META_AUTHOR" >&6; }
+
 	{ $as_echo "$as_me:$LINENO: checking spl license" >&5
 $as_echo_n "checking spl license... " >&6; }
-	LICENSE=GPL
-	{ $as_echo "$as_me:$LINENO: result: $LICENSE" >&5
-$as_echo "$LICENSE" >&6; }
-	KERNELCPPFLAGS="${KERNELCPPFLAGS} -DHAVE_GPL_ONLY_SYMBOLS"
+	{ $as_echo "$as_me:$LINENO: result: $SPL_META_LICENSE" >&5
+$as_echo "$SPL_META_LICENSE" >&6; }
+
+
+
+	{ $as_echo "$as_me:$LINENO: checking linux distribution" >&5
+$as_echo_n "checking linux distribution... " >&6; }
+	if test -f /etc/toss-release ; then
+		VENDOR=toss ;
+	elif test -f /etc/fedora-release ; then
+		VENDOR=fedora ;
+	elif test -f /etc/redhat-release ; then
+		VENDOR=redhat ;
+	elif test -f /etc/gentoo-release ; then
+		VENDOR=gentoo ;
+	elif test -f /etc/arch-release ; then
+		VENDOR=arch ;
+	elif test -f /etc/SuSE-release ; then
+		VENDOR=sles ;
+	elif test -f /etc/slackware-version ; then
+		VENDOR=slackware ;
+	elif test -f /etc/lunar.release ; then
+		VENDOR=lunar ;
+	elif test -f /etc/lsb-release ; then
+		VENDOR=ubuntu ;
+	elif test -f /etc/debian_version ; then
+		VENDOR=debian ;
+	else
+		VENDOR= ;
+	fi
+	{ $as_echo "$as_me:$LINENO: result: $VENDOR" >&5
+$as_echo "$VENDOR" >&6; }
+
 
+	{ $as_echo "$as_me:$LINENO: checking default package type" >&5
+$as_echo_n "checking default package type... " >&6; }
+	case "$VENDOR" in
+		toss)       DEFAULT_PACKAGE=rpm  ;;
+		redhat)     DEFAULT_PACKAGE=rpm  ;;
+		fedora)     DEFAULT_PACKAGE=rpm  ;;
+		gentoo)     DEFAULT_PACKAGE=tgz  ;;
+		arch)       DEFAULT_PACKAGE=tgz  ;;
+		sles)       DEFAULT_PACKAGE=rpm  ;;
+		slackware)  DEFAULT_PACKAGE=tgz  ;;
+		lunar)      DEFAULT_PACKAGE=tgz  ;;
+		ubuntu)     DEFAULT_PACKAGE=deb  ;;
+		debian)     DEFAULT_PACKAGE=deb  ;;
+		*)          DEFAULT_PACKAGE=rpm  ;;
+	esac
+
+	{ $as_echo "$as_me:$LINENO: result: $DEFAULT_PACKAGE" >&5
+$as_echo "$DEFAULT_PACKAGE" >&6; }
 
 
 
@@ -11518,6 +11562,39 @@ $as_echo "$HAVE_RPMBUILD" >&6; }
 fi
 
 
+	RPM_DEFINE_COMMON='--define "$(DEBUG_SPL) 1" --define "$(DEBUG_KMEM) 1" --define "$(DEBUG_KMEM_TRACKING) 1"'
+	RPM_DEFINE_UTIL=
+	RPM_DEFINE_KMOD='--define "kernels $(LINUX_VERSION)"'
+	RPM_DEFINE_DKMS=
+
+	SRPM_DEFINE_COMMON='--define "build_src_rpm 1"'
+	SRPM_DEFINE_UTIL=
+	SRPM_DEFINE_KMOD=
+	SRPM_DEFINE_DKMS=
+
+	RPM_SPEC_DIR="rpm/generic"
+
+# Check whether --with-spec was given.
+if test "${with_spec+set}" = set; then
+  withval=$with_spec; RPM_SPEC_DIR="rpm/$withval"
+fi
+
+
+	{ $as_echo "$as_me:$LINENO: checking whether spec files are available" >&5
+$as_echo_n "checking whether spec files are available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: yes ($RPM_SPEC_DIR/*.spec.in)" >&5
+$as_echo "yes ($RPM_SPEC_DIR/*.spec.in)" >&6; }
+
+
+
+
+
+
+
+
+
+
+
 
 
 
@@ -11601,63 +11678,30 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking linux distribution" >&5
-$as_echo_n "checking linux distribution... " >&6; }
-	if test -f /etc/redhat-release ; then
-		VENDOR=redhat ;
-	elif test -f /etc/fedora-release ; then
-		VENDOR=fedora ;
-	elif test -f /etc/lsb-release ; then
-		VENDOR=ubuntu ;
-	elif test -f /etc/debian_version ; then
-		VENDOR=debian ;
-	elif test -f /etc/SuSE-release ; then
-		VENDOR=sles ;
-	elif test -f /etc/slackware-version ; then
-		VENDOR=slackware ;
-	elif test -f /etc/gentoo-release ; then
-		VENDOR=gentoo ;
-	else
-		VENDOR= ;
-	fi
-	{ $as_echo "$as_me:$LINENO: result: $VENDOR" >&5
-$as_echo "$VENDOR" >&6; }
-
-
-	{ $as_echo "$as_me:$LINENO: checking default package type" >&5
-$as_echo_n "checking default package type... " >&6; }
-	case "$VENDOR" in
-		fedora)     DEFAULT_PACKAGE=rpm ;;
-		redhat)     DEFAULT_PACKAGE=rpm ;;
-		sles)       DEFAULT_PACKAGE=rpm ;;
-		ubuntu)     DEFAULT_PACKAGE=deb ;;
-		debian)     DEFAULT_PACKAGE=deb ;;
-		slackware)  DEFAULT_PACKAGE=tgz ;;
-		*)          DEFAULT_PACKAGE=rpm ;;
-	esac
-
-	{ $as_echo "$as_me:$LINENO: result: $DEFAULT_PACKAGE" >&5
-$as_echo "$DEFAULT_PACKAGE" >&6; }
-
-
-
 
-        SPL_CONFIG=all
+	SPL_CONFIG=all
 
 # Check whether --with-config was given.
 if test "${with_config+set}" = set; then
   withval=$with_config; SPL_CONFIG="$withval"
 fi
 
+	# Check whether --enable-linux-builtin was given.
+if test "${enable_linux_builtin+set}" = set; then
+  enableval=$enable_linux_builtin;
+else
+  enable_linux_builtin=no
+fi
 
-        { $as_echo "$as_me:$LINENO: checking spl config" >&5
+
+	{ $as_echo "$as_me:$LINENO: checking spl config" >&5
 $as_echo_n "checking spl config... " >&6; }
-        { $as_echo "$as_me:$LINENO: result: $SPL_CONFIG" >&5
+	{ $as_echo "$as_me:$LINENO: result: $SPL_CONFIG" >&5
 $as_echo "$SPL_CONFIG" >&6; };
 
 
-        case "$SPL_CONFIG" in
-                kernel)
+	case "$SPL_CONFIG" in
+		kernel)
 
 
 # Check whether --with-linux was given.
@@ -11676,42 +11720,50 @@ fi
 	{ $as_echo "$as_me:$LINENO: checking kernel source directory" >&5
 $as_echo_n "checking kernel source directory... " >&6; }
 	if test -z "$kernelsrc"; then
-		headersdir="/lib/modules/$(uname -r)/build"
-		if test -e "$headersdir"; then
+		if test -e "/lib/modules/$(uname -r)/source"; then
+			headersdir="/lib/modules/$(uname -r)/source"
+			sourcelink=$(readlink -f "$headersdir")
+		elif test -e "/lib/modules/$(uname -r)/build"; then
+			headersdir="/lib/modules/$(uname -r)/build"
 			sourcelink=$(readlink -f "$headersdir")
 		else
 			sourcelink=$(ls -1d /usr/src/kernels/* \
-				     /usr/src/linux-* \
+			             /usr/src/linux-* \
 			             2>/dev/null | grep -v obj | tail -1)
 		fi
 
 		if test -n "$sourcelink" && test -e ${sourcelink}; then
 			kernelsrc=`readlink -f ${sourcelink}`
 		else
-			{ $as_echo "$as_me:$LINENO: result: Not found" >&5
-$as_echo "Not found" >&6; }
-			{ { $as_echo "$as_me:$LINENO: error:
-	*** Please make sure the kernel devel package for your distribution
-	*** is installed then try again.  If that fails you can specify the
-	*** location of the kernel source with the '--with-linux=PATH' option." >&5
-$as_echo "$as_me: error:
-	*** Please make sure the kernel devel package for your distribution
-	*** is installed then try again.  If that fails you can specify the
-	*** location of the kernel source with the '--with-linux=PATH' option." >&2;}
-   { (exit 1); exit 1; }; }
+			kernelsrc="Not found"
 		fi
 	else
 		if test "$kernelsrc" = "NONE"; then
 			kernsrcver=NONE
 		fi
+		withlinux=yes
 	fi
 
 	{ $as_echo "$as_me:$LINENO: result: $kernelsrc" >&5
 $as_echo "$kernelsrc" >&6; }
+	if test ! -d "$kernelsrc"; then
+		{ { $as_echo "$as_me:$LINENO: error:
+	*** Please make sure the kernel devel package for your distribution
+	*** is installed and then try again.  If that fails, you can specify the
+	*** location of the kernel source with the '--with-linux=PATH' option." >&5
+$as_echo "$as_me: error:
+	*** Please make sure the kernel devel package for your distribution
+	*** is installed and then try again.  If that fails, you can specify the
+	*** location of the kernel source with the '--with-linux=PATH' option." >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+
 	{ $as_echo "$as_me:$LINENO: checking kernel build directory" >&5
 $as_echo_n "checking kernel build directory... " >&6; }
 	if test -z "$kernelbuild"; then
-		if test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then
+		if test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"; then
+			kernelbuild=`readlink -f /lib/modules/$(uname -r)/build`
+		elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then
 			kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu}
 		elif test -d ${kernelsrc}-obj/${target_cpu}/default; then
 			kernelbuild=${kernelsrc}-obj/${target_cpu}/default
@@ -11753,9 +11805,19 @@ $as_echo "$as_me: error: *** Cannot determine kernel version." >&2;}
 	else
 		{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
-		{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
+		if test "x$enable_linux_builtin" != xyes; then
+			{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
 $as_echo "$as_me: error: *** Cannot find UTS_RELEASE definition." >&2;}
    { (exit 1); exit 1; }; }
+		else
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree." >&5
+$as_echo "$as_me: error:
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
 	fi
 
 	{ $as_echo "$as_me:$LINENO: result: $kernsrcver" >&5
@@ -11773,12 +11835,26 @@ $as_echo "$kernsrcver" >&6; }
 	modpost=$LINUX/scripts/Makefile.modpost
 	{ $as_echo "$as_me:$LINENO: checking kernel file name for module symbols" >&5
 $as_echo_n "checking kernel file name for module symbols... " >&6; }
-	if test -f "$modpost"; then
+	if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then
 		if grep -q Modules.symvers $modpost; then
 			LINUX_SYMBOLS=Modules.symvers
 		else
 			LINUX_SYMBOLS=Module.symvers
 		fi
+
+		if ! test -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Please make sure the kernel devel package for your distribution
+	*** is installed.  If you are building with a custom kernel, make sure the
+	*** kernel is configured, built, and the '--with-linux=PATH' configure
+	*** option refers to the location of the kernel source." >&5
+$as_echo "$as_me: error:
+	*** Please make sure the kernel devel package for your distribution
+	*** is installed.  If you are building with a custom kernel, make sure the
+	*** kernel is configured, built, and the '--with-linux=PATH' configure
+	*** option refers to the location of the kernel source." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
 	else
 		LINUX_SYMBOLS=NONE
 	fi
@@ -11811,16 +11887,19 @@ fi
 
 		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror"
 		DEBUG_CFLAGS="-DDEBUG -Werror"
+		DEBUG_SPL="_with_debug"
 
 else
 
 		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG"
 		DEBUG_CFLAGS="-DNDEBUG"
+		DEBUG_SPL="_without_debug"
 
 fi
 
 
 
+
 	{ $as_echo "$as_me:$LINENO: result: $enable_debug" >&5
 $as_echo "$enable_debug" >&6; }
 
@@ -11829,20 +11908,28 @@ $as_echo "$enable_debug" >&6; }
 if test "${enable_debug_kmem+set}" = set; then
   enableval=$enable_debug_kmem;
 else
-  enable_debug_kmem=yes
+  enable_debug_kmem=no
 fi
 
 
 	if test "x$enable_debug_kmem" = xyes; then
 
+		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM"
+		DEBUG_KMEM="_with_debug_kmem"
+
 cat >>confdefs.h <<\_ACEOF
 #define DEBUG_KMEM 1
 _ACEOF
 
-		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM"
+
+else
+
+		DEBUG_KMEM="_without_debug_kmem"
+
 fi
 
 
+
 	{ $as_echo "$as_me:$LINENO: checking whether basic kmem accounting is enabled" >&5
 $as_echo_n "checking whether basic kmem accounting is enabled... " >&6; }
 	{ $as_echo "$as_me:$LINENO: result: $enable_debug_kmem" >&5
@@ -11859,28 +11946,29 @@ fi
 
 	if test "x$enable_debug_kmem_tracking" = xyes; then
 
+		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING"
+		DEBUG_KMEM_TRACKING="_with_debug_kmem_tracking"
+
 cat >>confdefs.h <<\_ACEOF
 #define DEBUG_KMEM_TRACKING 1
 _ACEOF
 
-		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING"
+
+else
+
+		DEBUG_KMEM_TRACKING="_without_debug_kmem_tracking"
+
 fi
 
 
+
 	{ $as_echo "$as_me:$LINENO: checking whether detailed kmem tracking is enabled" >&5
 $as_echo_n "checking whether detailed kmem tracking is enabled... " >&6; }
 	{ $as_echo "$as_me:$LINENO: result: $enable_debug_kmem_tracking" >&5
 $as_echo "$enable_debug_kmem_tracking" >&6; }
 
-
-	# Check whether --enable-atomic-spinlocks was given.
-if test "${enable_atomic_spinlocks+set}" = set; then
-  enableval=$enable_atomic_spinlocks;
-else
-  enable_atomic_spinlocks=check
-fi
-
-
+	{ $as_echo "$as_me:$LINENO: checking whether modules can be built" >&5
+$as_echo_n "checking whether modules can be built... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -11891,14 +11979,10 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <asm/atomic.h>
-
 int
 main (void)
 {
 
-		atomic64_t *ptr;
-
   ;
   return 0;
 }
@@ -11906,9 +11990,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -11920,7 +12006,168 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		have_atomic64_t=yes
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		if test "x$enable_linux_builtin" != xyes; then
+			{ { $as_echo "$as_me:$LINENO: error: *** Unable to build an empty module." >&5
+$as_echo "$as_me: error: *** Unable to build an empty module." >&2;}
+   { (exit 1); exit 1; }; }
+		else
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree." >&5
+$as_echo "$as_me: error:
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+	if test "x$cross_compiling" != xyes; then
+
+		if test "$cross_compiling" = yes; then
+  { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+else
+  cat >conftest.$ac_ext <<_ACEOF
+
+			/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+				#include "$LINUX/include/linux/license.h"
+
+int
+main ()
+{
+
+				return !license_is_gpl_compatible(
+				    "$SPL_META_LICENSE");
+
+  ;
+  return 0;
+}
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+
+cat >>confdefs.h <<\_ACEOF
+#define SPL_IS_GPL_COMPATIBLE 1
+_ACEOF
+
+
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+
+
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+
+fi
+
+
+
+	# Check whether --enable-atomic-spinlocks was given.
+if test "${enable_atomic_spinlocks+set}" = set; then
+  enableval=$enable_atomic_spinlocks;
+else
+  enable_atomic_spinlocks=check
+fi
+
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		atomic64_t *ptr __attribute__ ((unused));
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+		have_atomic64_t=yes
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_ATOMIC64_T 1
@@ -11993,8 +12240,11 @@ $as_echo_n "checking whether kernel defines atomic64_t... " >&6; }
 	{ $as_echo "$as_me:$LINENO: result: $have_atomic64_t" >&5
 $as_echo "$have_atomic64_t" >&6; }
 
-	{ $as_echo "$as_me:$LINENO: checking whether kernel defines atomic64_cmpxchg" >&5
-$as_echo_n "checking whether kernel defines atomic64_cmpxchg... " >&6; }
+
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
+					{ $as_echo "$as_me:$LINENO: checking whether old 2-argument shrinker exists" >&5
+$as_echo_n "checking whether old 2-argument shrinker exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12005,14 +12255,19 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <asm/atomic.h>
-		#include <asm/system.h>
+		#include <linux/mm.h>
+
+		int shrinker_cb(int nr_to_scan, gfp_t gfp_mask);
 
 int
 main (void)
 {
 
-		atomic64_cmpxchg((atomic64_t *)NULL, 0, 0);
+		struct shrinker cache_shrinker = {
+			.shrink = shrinker_cb,
+			.seeks = DEFAULT_SEEKS,
+		};
+		register_shrinker(&cache_shrinker);
 
   ;
   return 0;
@@ -12021,9 +12276,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12039,7 +12296,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ATOMIC64_CMPXCHG 1
+#define HAVE_2ARGS_OLD_SHRINKER_CALLBACK 1
 _ACEOF
 
 
@@ -12049,17 +12306,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether kernel defines atomic64_xchg" >&5
-$as_echo_n "checking whether kernel defines atomic64_xchg... " >&6; }
+												{ $as_echo "$as_me:$LINENO: checking whether old 3-argument shrinker exists" >&5
+$as_echo_n "checking whether old 3-argument shrinker exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12070,13 +12318,20 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <asm/atomic.h>
+			#include <linux/mm.h>
+
+			int shrinker_cb(struct shrinker *, int nr_to_scan,
+					gfp_t gfp_mask);
 
 int
 main (void)
 {
 
-		atomic64_xchg((atomic64_t *)NULL, 0);
+			struct shrinker cache_shrinker = {
+				.shrink = shrinker_cb,
+				.seeks = DEFAULT_SEEKS,
+			};
+			register_shrinker(&cache_shrinker);
 
   ;
   return 0;
@@ -12085,9 +12340,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12099,11 +12356,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ATOMIC64_XCHG 1
+#define HAVE_3ARGS_SHRINKER_CALLBACK 1
 _ACEOF
 
 
@@ -12111,19 +12368,10 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether kernel defines uintptr_t" >&5
-$as_echo_n "checking whether kernel defines uintptr_t... " >&6; }
+																		{ $as_echo "$as_me:$LINENO: checking whether new 2-argument shrinker exists" >&5
+$as_echo_n "checking whether new 2-argument shrinker exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12134,13 +12382,20 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/types.h>
+				#include <linux/mm.h>
+
+				int shrinker_cb(struct shrinker *,
+						struct shrink_control *sc);
 
 int
 main (void)
 {
 
-		uintptr_t *ptr;
+				struct shrinker cache_shrinker = {
+					.shrink = shrinker_cb,
+					.seeks = DEFAULT_SEEKS,
+				};
+				register_shrinker(&cache_shrinker);
 
   ;
   return 0;
@@ -12149,9 +12404,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12163,11 +12420,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+				{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_UINTPTR_T 1
+#define HAVE_2ARGS_NEW_SHRINKER_CALLBACK 1
 _ACEOF
 
 
@@ -12175,19 +12432,10 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
+				{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether INIT_WORK wants 3 args" >&5
-$as_echo_n "checking whether INIT_WORK wants 3 args... " >&6; }
+																								{ $as_echo "$as_me:$LINENO: checking whether ->count_objects callback exists" >&5
+$as_echo_n "checking whether ->count_objects callback exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12198,14 +12446,22 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/workqueue.h>
+					#include <linux/mm.h>
+
+					unsigned long shrinker_cb(
+						struct shrinker *,
+						struct shrink_control *sc);
 
 int
 main (void)
 {
 
-		struct work_struct work;
-		INIT_WORK(&work, NULL, NULL);
+					struct shrinker cache_shrinker = {
+						.count_objects = shrinker_cb,
+						.scan_objects = shrinker_cb,
+						.seeks = DEFAULT_SEEKS,
+					};
+					register_shrinker(&cache_shrinker);
 
   ;
   return 0;
@@ -12214,9 +12470,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12228,11 +12486,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+					{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_3ARGS_INIT_WORK 1
+#define HAVE_SPLIT_SHRINKER_CALLBACK 1
 _ACEOF
 
 
@@ -12240,8 +12498,33 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+					{ { $as_echo "$as_me:$LINENO: error: error" >&5
+$as_echo "$as_me: error: error" >&2;}
+   { (exit 1); exit 1; }; }
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+
+
+fi
+
+	rm -Rf build
+
+
 
 
 
@@ -12250,9 +12533,11 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
+
 
-	{ $as_echo "$as_me:$LINENO: checking whether register_sysctl_table() wants 2 args" >&5
-$as_echo_n "checking whether register_sysctl_table() wants 2 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct ctl_table has ctl_name" >&5
+$as_echo_n "checking whether struct ctl_table has ctl_name... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12269,7 +12554,8 @@ int
 main (void)
 {
 
-		return register_sysctl_table(NULL,0);
+		struct ctl_table ctl __attribute__ ((unused));
+		ctl.ctl_name = 0;
 
   ;
   return 0;
@@ -12278,9 +12564,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12296,7 +12584,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_2ARGS_REGISTER_SYSCTL 1
+#define HAVE_CTL_NAME 1
 _ACEOF
 
 
@@ -12316,8 +12604,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether set_shrinker() available" >&5
-$as_echo_n "checking whether set_shrinker() available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether CONFIG_TRIM_UNUSED_KSYM is disabled" >&5
+$as_echo_n "checking whether CONFIG_TRIM_UNUSED_KSYM is disabled... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12328,14 +12616,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#if defined(CONFIG_TRIM_UNUSED_KSYMS)
+		#error CONFIG_TRIM_UNUSED_KSYMS not defined
+		#endif
 
 int
 main (void)
 {
 
-		return set_shrinker(DEFAULT_SEEKS, NULL);
-
   ;
   return 0;
 }
@@ -12343,9 +12631,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12360,17 +12650,19 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_SHRINKER 1
-_ACEOF
-
-
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
+		{ { $as_echo "$as_me:$LINENO: error:
+	*** This kernel has unused symbols trimming enabled, please disable.
+	*** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n set." >&5
+$as_echo "$as_me: error:
+	*** This kernel has unused symbols trimming enabled, please disable.
+	*** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n set." >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -12380,10 +12672,10 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether shrinker callback wants 3 args" >&5
-$as_echo_n "checking whether shrinker callback wants 3 args... " >&6; }
-	tmp_flags="$EXTRA_KCFLAGS"
-	EXTRA_KCFLAGS="-Werror"
+
+	{ $as_echo "$as_me:$LINENO: checking whether PDE_DATA() is available" >&5
+$as_echo_n "checking whether PDE_DATA() is available... " >&6; }
+
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12394,19 +12686,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
-
-		int shrinker_cb(struct shrinker *, int, unsigned int);
+		#include <linux/proc_fs.h>
 
 int
 main (void)
 {
 
-		struct shrinker cache_shrinker = {
-			.shrink = shrinker_cb,
-			.seeks = DEFAULT_SEEKS,
-		};
-		register_shrinker(&cache_shrinker);
+		PDE_DATA(NULL);
 
   ;
   return 0;
@@ -12415,9 +12701,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12428,22 +12716,11 @@ _ACEOF
   ac_status=$?
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_3ARGS_SHRINKER_CALLBACK 1
-_ACEOF
-
-
+  rc=0
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
-
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
+ rc=1
 
 
 fi
@@ -12451,10 +12728,61 @@ fi
 	rm -Rf build
 
 
-	EXTRA_KCFLAGS="$tmp_flags"
+	if test $rc -ne 0; then :
 
-	{ $as_echo "$as_me:$LINENO: checking whether struct path used in struct nameidata" >&5
-$as_echo_n "checking whether struct path used in struct nameidata... " >&6; }
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+
+	grep -q -E '[[:space:]]PDE_DATA[[:space:]]' \
+		$LINUX_OBJ/Module*.symvers 2>/dev/null
+	rc=$?
+	if test $rc -ne 0; then
+		export=0
+		for file in ; do
+			grep -q -E "EXPORT_SYMBOL.*(PDE_DATA)" \
+				"$LINUX_OBJ/$file" 2>/dev/null
+			rc=$?
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
+		done
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
+
+		fi
+		if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+		else :
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_PDE_DATA 1
+_ACEOF
+
+
+		fi
+	fi
+
+
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
+	{ $as_echo "$as_me:$LINENO: checking whether set_fs_pwd() requires const struct path *" >&5
+$as_echo_n "checking whether set_fs_pwd() requires const struct path *... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12465,16 +12793,18 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/namei.h>
+		#include <linux/spinlock.h>
+		#include <linux/fs_struct.h>
+		#include <linux/path.h>
+		void (*const set_fs_pwd_func)
+			(struct fs_struct *, const struct path *)
+			= set_fs_pwd;
 
 int
 main (void)
 {
 
-		struct nameidata nd;
-
-		nd.path.mnt = NULL;
-		nd.path.dentry = NULL;
+		return 0;
 
   ;
   return 0;
@@ -12483,9 +12813,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12501,7 +12833,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_PATH_IN_NAMEIDATA 1
+#define HAVE_SET_FS_PWD_WITH_CONST 1
 _ACEOF
 
 
@@ -12509,60 +12841,6 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether symbol task_curr is exported" >&5
-$as_echo_n "checking whether symbol task_curr is exported... " >&6; }
-	grep -q -E '[[:space:]]task_curr[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in kernel/sched.c; do
-			grep -q -E "EXPORT_SYMBOL.*(task_curr)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_TASK_CURR 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_TASK_CURR 1
-_ACEOF
-
-	fi
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether unnumbered sysctl support exists" >&5
-$as_echo_n "checking whether unnumbered sysctl support exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12573,15 +12851,18 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sysctl.h>
+			#include <linux/spinlock.h>
+			#include <linux/fs_struct.h>
+			#include <linux/path.h>
+			void (*const set_fs_pwd_func)
+				(struct fs_struct *, struct path *)
+				= set_fs_pwd;
 
 int
 main (void)
 {
 
-		#ifndef CTL_UNNUMBERED
-		#error CTL_UNNUMBERED undefined
-		#endif
+			return 0;
 
   ;
   return 0;
@@ -12590,9 +12871,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12604,20 +12887,16 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_CTL_UNNUMBERED 1
-_ACEOF
-
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
 
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+			{ { $as_echo "$as_me:$LINENO: error: unknown" >&5
+$as_echo "$as_me: error: unknown" >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -12628,8 +12907,16 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether struct ctl_table has ctl_name" >&5
-$as_echo_n "checking whether struct ctl_table has ctl_name... " >&6; }
+
+fi
+
+	rm -Rf build
+
+
+	EXTRA_KCFLAGS="$tmp_flags"
+
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_unlink() wants 2 args" >&5
+$as_echo_n "checking whether vfs_unlink() wants 2 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12640,14 +12927,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sysctl.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		struct ctl_table ctl;
-		ctl.ctl_name = 0;
+		vfs_unlink((struct inode *) NULL, (struct dentry *) NULL);
 
   ;
   return 0;
@@ -12656,9 +12942,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12674,7 +12962,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_CTL_NAME 1
+#define HAVE_2ARGS_VFS_UNLINK 1
 _ACEOF
 
 
@@ -12684,17 +12972,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether fls64() is available" >&5
-$as_echo_n "checking whether fls64() is available... " >&6; }
+										{ $as_echo "$as_me:$LINENO: checking whether vfs_unlink() wants 3 args" >&5
+$as_echo_n "checking whether vfs_unlink() wants 3 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12705,13 +12984,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/bitops.h>
+			#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		return fls64(0);
+			vfs_unlink((struct inode *) NULL,
+				(struct dentry *) NULL,
+				(struct inode **) NULL);
 
   ;
   return 0;
@@ -12720,9 +13001,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12734,11 +13017,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_FLS64 1
+#define HAVE_3ARGS_VFS_UNLINK 1
 _ACEOF
 
 
@@ -12746,8 +13029,9 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+			{ { $as_echo "$as_me:$LINENO: error: no" >&5
+$as_echo "$as_me: error: no" >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -12758,51 +13042,16 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol device_create is exported" >&5
-$as_echo_n "checking whether symbol device_create is exported... " >&6; }
-	grep -q -E '[[:space:]]device_create[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in drivers/base/core.c; do
-			grep -q -E "EXPORT_SYMBOL.*(device_create)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DEVICE_CREATE 1
-_ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DEVICE_CREATE 1
-_ACEOF
+fi
 
-	fi
+	rm -Rf build
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether device_create() wants 5 args" >&5
-$as_echo_n "checking whether device_create() wants 5 args... " >&6; }
-	tmp_flags="$EXTRA_KCFLAGS"
-	EXTRA_KCFLAGS="-Werror"
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_rename() wants 4 args" >&5
+$as_echo_n "checking whether vfs_rename() wants 4 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12813,13 +13062,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/device.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		device_create(NULL, NULL, 0, NULL, "%d", 1);
+		vfs_rename((struct inode *) NULL, (struct dentry *) NULL,
+			(struct inode *) NULL, (struct dentry *) NULL);
 
   ;
   return 0;
@@ -12828,9 +13078,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12846,7 +13098,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_5ARGS_DEVICE_CREATE 1
+#define HAVE_4ARGS_VFS_RENAME 1
 _ACEOF
 
 
@@ -12856,101 +13108,69 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
+										{ $as_echo "$as_me:$LINENO: checking whether vfs_rename() wants 5 args" >&5
+$as_echo_n "checking whether vfs_rename() wants 5 args... " >&6; }
 
 
-
-fi
-
-	rm -Rf build
-
-
-	EXTRA_KCFLAGS="$tmp_flags"
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol class_device_create is exported" >&5
-$as_echo_n "checking whether symbol class_device_create is exported... " >&6; }
-	grep -q -E '[[:space:]]class_device_create[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in drivers/base/class.c; do
-			grep -q -E "EXPORT_SYMBOL.*(class_device_create)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+			#include <linux/fs.h>
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+int
+main (void)
+{
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_CLASS_DEVICE_CREATE 1
-_ACEOF
+			vfs_rename((struct inode *) NULL,
+				(struct dentry *) NULL,
+				(struct inode *) NULL,
+				(struct dentry *) NULL,
+				(struct inode **) NULL);
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+  ;
+  return 0;
+}
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_CLASS_DEVICE_CREATE 1
 _ACEOF
 
-	fi
-
-
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol set_normalized_timespec is exported" >&5
-$as_echo_n "checking whether symbol set_normalized_timespec is exported... " >&6; }
-	grep -q -E '[[:space:]]set_normalized_timespec[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in kernel/time.c; do
-			grep -q -E "EXPORT_SYMBOL.*(set_normalized_timespec)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
 
-		else
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_NORMALIZED_TIMESPEC_EXPORT 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_NORMALIZED_TIMESPEC_EXPORT 1
+#define HAVE_5ARGS_VFS_RENAME 1
 _ACEOF
 
-	fi
-
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-	{ $as_echo "$as_me:$LINENO: checking whether set_normalized_timespec() is an inline" >&5
-$as_echo_n "checking whether set_normalized_timespec() is an inline... " >&6; }
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+															{ $as_echo "$as_me:$LINENO: checking whether vfs_rename() wants 6 args" >&5
+$as_echo_n "checking whether vfs_rename() wants 6 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12961,14 +13181,19 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/time.h>
-		void set_normalized_timespec(struct timespec *ts,
-		                             time_t sec, long nsec) { }
+				#include <linux/fs.h>
 
 int
 main (void)
 {
 
+				vfs_rename((struct inode *) NULL,
+					(struct dentry *) NULL,
+					(struct inode *) NULL,
+					(struct dentry *) NULL,
+					(struct inode **) NULL,
+					(unsigned int) 0);
+
   ;
   return 0;
 }
@@ -12976,9 +13201,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -12990,19 +13217,36 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+				{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_6ARGS_VFS_RENAME 1
+_ACEOF
+
 
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+				{ { $as_echo "$as_me:$LINENO: error: no" >&5
+$as_echo "$as_me: error: no" >&2;}
+   { (exit 1); exit 1; }; }
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+
+
+fi
+
+	rm -Rf build
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_NORMALIZED_TIMESPEC_INLINE 1
-_ACEOF
 
 
 
@@ -13014,8 +13258,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether timespec_sub() is available" >&5
-$as_echo_n "checking whether timespec_sub() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_fsync() wants 2 args" >&5
+$as_echo_n "checking whether vfs_fsync() wants 2 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13026,14 +13270,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/time.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		struct timespec a, b, c = { 0 };
-		c = timespec_sub(a, b);
+		vfs_fsync(NULL, 0);
 
   ;
   return 0;
@@ -13042,9 +13285,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13060,7 +13305,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_TIMESPEC_SUB 1
+#define HAVE_2ARGS_VFS_FSYNC 1
 _ACEOF
 
 
@@ -13080,8 +13325,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether init_utsname() is available" >&5
-$as_echo_n "checking whether init_utsname() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether truncate_range() inode operation is available" >&5
+$as_echo_n "checking whether truncate_range() inode operation is available... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13092,13 +13337,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/utsname.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		struct new_utsname *a = init_utsname();
+		struct inode_operations ops;
+		ops.truncate_range = NULL;
 
   ;
   return 0;
@@ -13107,9 +13353,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13125,7 +13373,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_INIT_UTSNAME 1
+#define HAVE_INODE_TRUNCATE_RANGE 1
 _ACEOF
 
 
@@ -13145,8 +13393,10 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether header linux/fdtable.h exists" >&5
-$as_echo_n "checking whether header linux/fdtable.h exists... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct fs_struct uses spinlock_t" >&5
+$as_echo_n "checking whether struct fs_struct uses spinlock_t... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13157,13 +13407,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/fdtable.h>
+		#include <linux/sched.h>
+		#include <linux/fs_struct.h>
 
 int
 main (void)
 {
 
-		return 0;
+		static struct fs_struct fs;
+		spin_lock_init(&fs.lock);
 
   ;
   return 0;
@@ -13172,9 +13424,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13186,14 +13440,13 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_FDTABLE_HEADER 1
+#define HAVE_FS_STRUCT_SPINLOCK 1
 _ACEOF
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
 
 else
   $as_echo "$as_me: failed program was:" >&5
@@ -13204,17 +13457,58 @@ $as_echo "no" >&6; }
 
 
 
-
 fi
 
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
+
+
+	{ $as_echo "$as_me:$LINENO: checking whether kuid_t/kgid_t is available" >&5
+$as_echo_n "checking whether kuid_t/kgid_t is available... " >&6; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/uidgid.h>
+
+int
+main (void)
+{
+
+		kuid_t userid = KUIDT_INIT(0);
+		kgid_t groupid = KGIDT_INIT(0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
 
 
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether files_fdtable() is available" >&5
-$as_echo_n "checking whether files_fdtable() is available... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13225,18 +13519,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sched.h>
-		#include <linux/file.h>
-		#ifdef HAVE_FDTABLE_HEADER
-		#include <linux/fdtable.h>
-		#endif
+			#include <linux/uidgid.h>
 
 int
 main (void)
 {
 
-		struct files_struct *files = current->files;
-		struct fdtable *fdt = files_fdtable(files);
+			kuid_t userid = 0;
+			kgid_t groupid = 0;
 
   ;
   return 0;
@@ -13245,9 +13535,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13259,14 +13551,29 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+			{ $as_echo "$as_me:$LINENO: result: yes; optional" >&5
+$as_echo "yes; optional" >&6; }
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+			{ $as_echo "$as_me:$LINENO: result: yes; mandatory" >&5
+$as_echo "yes; mandatory" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_FILES_FDTABLE 1
+#define HAVE_KUIDGID_T 1
 _ACEOF
 
 
+
+
+fi
+
+	rm -Rf build
+
+
+
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -13283,8 +13590,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether header linux/uaccess.h exists" >&5
-$as_echo_n "checking whether header linux/uaccess.h exists... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether fops->fallocate() exists" >&5
+$as_echo_n "checking whether fops->fallocate() exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13295,13 +13603,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/uaccess.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		return 0;
+		long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
+		struct file_operations fops __attribute__ ((unused)) = {
+			.fallocate = fallocate,
+		};
 
   ;
   return 0;
@@ -13310,9 +13621,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13324,14 +13637,13 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_UACCESS_HEADER 1
+#define HAVE_FILE_FALLOCATE 1
 _ACEOF
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
 
 else
   $as_echo "$as_me: failed program was:" >&5
@@ -13342,7 +13654,6 @@ $as_echo "no" >&6; }
 
 
 
-
 fi
 
 	rm -Rf build
@@ -13350,9 +13661,8 @@ fi
 
 
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether kmalloc_node() is available" >&5
-$as_echo_n "checking whether kmalloc_node() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether iops->fallocate() exists" >&5
+$as_echo_n "checking whether iops->fallocate() exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13363,13 +13673,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/slab.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		void *a = kmalloc_node(1, GFP_KERNEL, 0);
+		long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL;
+		struct inode_operations fops __attribute__ ((unused)) = {
+			.fallocate = fallocate,
+		};
 
   ;
   return 0;
@@ -13378,9 +13691,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13396,7 +13711,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_KMALLOC_NODE 1
+#define HAVE_INODE_FALLOCATE 1
 _ACEOF
 
 
@@ -13416,49 +13731,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol monotonic_clock is exported" >&5
-$as_echo_n "checking whether symbol monotonic_clock is exported... " >&6; }
-	grep -q -E '[[:space:]]monotonic_clock[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(monotonic_clock)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MONOTONIC_CLOCK 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MONOTONIC_CLOCK 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether struct inode has i_mutex" >&5
-$as_echo_n "checking whether struct inode has i_mutex... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether fops->fallocate() exists" >&5
+$as_echo_n "checking whether fops->fallocate() exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13470,14 +13744,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 
 
 		#include <linux/fs.h>
-		#include <linux/mutex.h>
 
 int
 main (void)
 {
 
-		struct inode i;
-		mutex_init(&i.i_mutex);
+		long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
+		struct file_operations_no_const fops __attribute__ ((unused)) = {
+			.fallocate = fallocate,
+		};
 
   ;
   return 0;
@@ -13486,9 +13761,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13504,7 +13781,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_INODE_I_MUTEX 1
+#define HAVE_FILE_FALLOCATE 1
 _ACEOF
 
 
@@ -13524,8 +13801,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether struct mutex has owner" >&5
-$as_echo_n "checking whether struct mutex has owner... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether CONFIG_ZLIB_INFLATE is defined" >&5
+$as_echo_n "checking whether CONFIG_ZLIB_INFLATE is defined... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13536,15 +13814,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mutex.h>
+		#if !defined(CONFIG_ZLIB_INFLATE) && \
+		    !defined(CONFIG_ZLIB_INFLATE_MODULE)
+		#error CONFIG_ZLIB_INFLATE not defined
+		#endif
 
 int
 main (void)
 {
 
-		struct mutex mtx;
-		mtx.owner = NULL;
-
   ;
   return 0;
 }
@@ -13552,9 +13830,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13569,17 +13849,19 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MUTEX_OWNER 1
-_ACEOF
-
-
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
+		{ { $as_echo "$as_me:$LINENO: error:
+	*** This kernel does not include the required zlib inflate support.
+	*** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set." >&5
+$as_echo "$as_me: error:
+	*** This kernel does not include the required zlib inflate support.
+	*** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set." >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -13590,8 +13872,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether mutex_lock_nested() is available" >&5
-$as_echo_n "checking whether mutex_lock_nested() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether CONFIG_ZLIB_DEFLATE is defined" >&5
+$as_echo_n "checking whether CONFIG_ZLIB_DEFLATE is defined... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13602,16 +13884,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mutex.h>
+		#if !defined(CONFIG_ZLIB_DEFLATE) && \
+		    !defined(CONFIG_ZLIB_DEFLATE_MODULE)
+		#error CONFIG_ZLIB_DEFLATE not defined
+		#endif
 
 int
 main (void)
 {
 
-		struct mutex mutex;
-		mutex_init(&mutex);
-		mutex_lock_nested(&mutex, 0);
-
   ;
   return 0;
 }
@@ -13619,9 +13900,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13636,17 +13919,19 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MUTEX_LOCK_NESTED 1
-_ACEOF
-
-
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
+		{ { $as_echo "$as_me:$LINENO: error:
+	*** This kernel does not include the required zlib deflate support.
+	*** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set." >&5
+$as_echo "$as_me: error:
+	*** This kernel does not include the required zlib deflate support.
+	*** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set." >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -13656,9 +13941,8 @@ fi
 
 
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether on_each_cpu() wants 3 args" >&5
-$as_echo_n "checking whether on_each_cpu() wants 3 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether zlib_deflate_workspacesize() wants 2 args" >&5
+$as_echo_n "checking whether zlib_deflate_workspacesize() wants 2 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13669,13 +13953,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/smp.h>
+		#include <linux/zlib.h>
 
 int
 main (void)
 {
 
-		on_each_cpu(NULL, NULL, 0);
+		return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL);
 
   ;
   return 0;
@@ -13684,9 +13968,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -13702,7 +13988,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_3ARGS_ON_EACH_CPU 1
+#define HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE 1
 _ACEOF
 
 
@@ -13722,272 +14008,153 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kallsyms_lookup_name is exported" >&5
-$as_echo_n "checking whether symbol kallsyms_lookup_name is exported... " >&6; }
-	grep -q -E '[[:space:]]kallsyms_lookup_name[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(kallsyms_lookup_name)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct shrink_control exists" >&5
+$as_echo_n "checking whether struct shrink_control exists... " >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KALLSYMS_LOOKUP_NAME 1
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
 _ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KALLSYMS_LOOKUP_NAME 1
-_ACEOF
 
-	fi
+		#include <linux/mm.h>
 
+int
+main (void)
+{
 
+		struct shrink_control sc __attribute__ ((unused));
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol get_vmalloc_info is exported" >&5
-$as_echo_n "checking whether symbol get_vmalloc_info is exported... " >&6; }
-	grep -q -E '[[:space:]]get_vmalloc_info[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(get_vmalloc_info)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+		sc.nr_to_scan = 0;
+		sc.gfp_mask = GFP_KERNEL;
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+  ;
+  return 0;
+}
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_VMALLOC_INFO 1
 _ACEOF
 
-		fi
-	else
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_VMALLOC_INFO 1
+#define HAVE_SHRINK_CONTROL_STRUCT 1
 _ACEOF
 
-	fi
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol *_pgdat exist" >&5
-$as_echo_n "checking whether symbol *_pgdat exist... " >&6; }
-	grep -q -E 'first_online_pgdat' $LINUX/include/linux/mmzone.h 2>/dev/null
-	rc=$?
-	if test $rc -eq 0; then
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PGDAT_HELPERS 1
-_ACEOF
+fi
 
-	else
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-	fi
+	rm -Rf build
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol first_online_pgdat is exported" >&5
-$as_echo_n "checking whether symbol first_online_pgdat is exported... " >&6; }
-	grep -q -E '[[:space:]]first_online_pgdat[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(first_online_pgdat)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_FIRST_ONLINE_PGDAT 1
-_ACEOF
+	{ $as_echo "$as_me:$LINENO: checking whether struct rw_semaphore member wait_lock is raw" >&5
+$as_echo_n "checking whether struct rw_semaphore member wait_lock is raw... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_FIRST_ONLINE_PGDAT 1
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
 _ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
-	fi
 
+		#include <linux/rwsem.h>
 
+int
+main (void)
+{
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol next_online_pgdat is exported" >&5
-$as_echo_n "checking whether symbol next_online_pgdat is exported... " >&6; }
-	grep -q -E '[[:space:]]next_online_pgdat[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(next_online_pgdat)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+		struct rw_semaphore dummy_semaphore __attribute__ ((unused));
+		raw_spinlock_t dummy_lock __attribute__ ((unused)) =
+		    __RAW_SPIN_LOCK_INITIALIZER(dummy_lock);
+		dummy_semaphore.wait_lock = dummy_lock;
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+  ;
+  return 0;
+}
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ONLINE_PGDAT 1
 _ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ONLINE_PGDAT 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether symbol next_zone is exported" >&5
-$as_echo_n "checking whether symbol next_zone is exported... " >&6; }
-	grep -q -E '[[:space:]]next_zone[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(next_zone)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ZONE 1
-_ACEOF
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
 
-		fi
-	else
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ZONE 1
+#define RWSEM_SPINLOCK_IS_RAW 1
 _ACEOF
 
-	fi
-
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol pgdat_list is exported" >&5
-$as_echo_n "checking whether symbol pgdat_list is exported... " >&6; }
-	grep -q -E '[[:space:]]pgdat_list[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(pgdat_list)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PGDAT_LIST 1
-_ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+fi
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PGDAT_LIST 1
-_ACEOF
+	rm -Rf build
 
-	fi
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether global_page_state() is available" >&5
-$as_echo_n "checking whether global_page_state() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct rw_semaphore has member activity" >&5
+$as_echo_n "checking whether struct rw_semaphore has member activity... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13998,14 +14165,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/rwsem.h>
 
 int
 main (void)
 {
 
-		unsigned long state;
-		state = global_page_state(0);
+		struct rw_semaphore dummy_semaphore __attribute__ ((unused));
+		dummy_semaphore.activity = 0;
 
   ;
   return 0;
@@ -14014,9 +14181,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14032,7 +14201,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_GLOBAL_PAGE_STATE 1
+#define HAVE_RWSEM_ACTIVITY 1
 _ACEOF
 
 
@@ -14050,10 +14219,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_FREE_PAGES is available" >&5
-$as_echo_n "checking whether page state NR_FREE_PAGES is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct rw_semaphore has atomic_long_t member count" >&5
+$as_echo_n "checking whether struct rw_semaphore has atomic_long_t member count... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14064,14 +14236,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/rwsem.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_FREE_PAGES;
+		DECLARE_RWSEM(dummy_semaphore);
+		(void) atomic_long_read(&dummy_semaphore.count);
 
   ;
   return 0;
@@ -14080,9 +14252,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14098,7 +14272,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_FREE_PAGES 1
+#define HAVE_RWSEM_ATOMIC_LONG_COUNT 1
 _ACEOF
 
 
@@ -14116,10 +14290,10 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_INACTIVE is available" >&5
-$as_echo_n "checking whether page state NR_INACTIVE is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether header linux/sched/rt.h exists" >&5
+$as_echo_n "checking whether header linux/sched/rt.h exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14130,14 +14304,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/sched.h>
+		#include <linux/sched/rt.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_INACTIVE;
+		return 0;
 
   ;
   return 0;
@@ -14146,9 +14320,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14160,13 +14336,13 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_INACTIVE 1
+#define HAVE_SCHED_RT_HEADER 1
 _ACEOF
 
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
 
 else
   $as_echo "$as_me: failed program was:" >&5
@@ -14183,8 +14359,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_INACTIVE_ANON is available" >&5
-$as_echo_n "checking whether page state NR_INACTIVE_ANON is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether header linux/sched/signal.h exists" >&5
+$as_echo_n "checking whether header linux/sched/signal.h exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14195,14 +14371,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/sched.h>
+		#include <linux/sched/signal.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_INACTIVE_ANON;
+		return 0;
 
   ;
   return 0;
@@ -14211,9 +14387,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14225,13 +14403,13 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_INACTIVE_ANON 1
+#define HAVE_SCHED_SIGNAL_HEADER 1
 _ACEOF
 
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
 
 else
   $as_echo "$as_me: failed program was:" >&5
@@ -14248,8 +14426,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_INACTIVE_FILE is available" >&5
-$as_echo_n "checking whether page state NR_INACTIVE_FILE is available... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_getattr() wants 4 args" >&5
+$as_echo_n "checking whether vfs_getattr() wants 4 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14260,14 +14439,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_INACTIVE_FILE;
+		vfs_getattr((const struct path *)NULL,
+			(struct kstat *)NULL,
+			(u32)0,
+			(unsigned int)0);
 
   ;
   return 0;
@@ -14276,9 +14457,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14294,7 +14477,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_INACTIVE_FILE 1
+#define HAVE_4ARGS_VFS_GETATTR 1
 _ACEOF
 
 
@@ -14314,8 +14497,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_ACTIVE is available" >&5
-$as_echo_n "checking whether page state NR_ACTIVE is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_getattr() wants 3 args" >&5
+$as_echo_n "checking whether vfs_getattr() wants 3 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14326,14 +14509,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_ACTIVE;
+		vfs_getattr((struct vfsmount *)NULL,
+			(struct dentry *)NULL,
+			(struct kstat *)NULL);
 
   ;
   return 0;
@@ -14342,9 +14526,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14360,7 +14546,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_ACTIVE 1
+#define HAVE_3ARGS_VFS_GETATTR 1
 _ACEOF
 
 
@@ -14379,8 +14565,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_ACTIVE_ANON is available" >&5
-$as_echo_n "checking whether page state NR_ACTIVE_ANON is available... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_getattr() wants 2 args" >&5
+$as_echo_n "checking whether vfs_getattr() wants 2 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14391,14 +14578,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_ACTIVE_ANON;
+		vfs_getattr((struct path *) NULL,
+			(struct kstat *)NULL);
 
   ;
   return 0;
@@ -14407,9 +14594,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14425,7 +14614,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_ACTIVE_ANON 1
+#define HAVE_2ARGS_VFS_GETATTR 1
 _ACEOF
 
 
@@ -14444,8 +14633,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_ACTIVE_FILE is available" >&5
-$as_echo_n "checking whether page state NR_ACTIVE_FILE is available... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether usleep_range() is available" >&5
+$as_echo_n "checking whether usleep_range() is available... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14456,14 +14646,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/delay.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_ACTIVE_FILE;
+		usleep_range(0, 0);
 
   ;
   return 0;
@@ -14472,9 +14661,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14490,7 +14681,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_ACTIVE_FILE 1
+#define HAVE_USLEEP_RANGE 1
 _ACEOF
 
 
@@ -14510,8 +14701,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol get_zone_counts is needed" >&5
-$as_echo_n "checking whether symbol get_zone_counts is needed... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct kmem_cache has allocflags" >&5
+$as_echo_n "checking whether struct kmem_cache has allocflags... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14522,26 +14713,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
+		#include <linux/slab.h>
 
 int
 main (void)
 {
 
-		#if !defined(HAVE_ZONE_STAT_ITEM_NR_FREE_PAGES)
-		#error "global_page_state needs NR_FREE_PAGES"
-		#endif
-
-		#if !defined(HAVE_ZONE_STAT_ITEM_NR_ACTIVE) && \
-		    !defined(HAVE_ZONE_STAT_ITEM_NR_ACTIVE_ANON) && \
-		    !defined(HAVE_ZONE_STAT_ITEM_NR_ACTIVE_FILE)
-		#error "global_page_state needs NR_ACTIVE*"
-		#endif
-
-		#if !defined(HAVE_ZONE_STAT_ITEM_NR_INACTIVE) && \
-		    !defined(HAVE_ZONE_STAT_ITEM_NR_INACTIVE_ANON) && \
-		    !defined(HAVE_ZONE_STAT_ITEM_NR_INACTIVE_FILE)
-		#error "global_page_state needs NR_INACTIVE*"
-		#endif
+		struct kmem_cache cachep __attribute__ ((unused));
+		cachep.allocflags = GFP_KERNEL;
 
   ;
   return 0;
@@ -14550,9 +14729,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14564,153 +14745,99 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define NEED_GET_ZONE_COUNTS 1
+#define HAVE_KMEM_CACHE_ALLOCFLAGS 1
 _ACEOF
 
 
-		{ $as_echo "$as_me:$LINENO: checking whether symbol get_zone_counts is exported" >&5
-$as_echo_n "checking whether symbol get_zone_counts is exported... " >&6; }
-	grep -q -E '[[:space:]]get_zone_counts[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(get_zone_counts)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_ZONE_COUNTS 1
-_ACEOF
+		{ $as_echo "$as_me:$LINENO: checking whether struct kmem_cache has gfpflags" >&5
+$as_echo_n "checking whether struct kmem_cache has gfpflags... " >&6; }
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_ZONE_COUNTS 1
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
 _ACEOF
-
-	fi
-
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
 
+			#include <linux/slab.h>
 
-fi
+int
+main (void)
+{
 
-	rm -Rf build
+			struct kmem_cache cachep __attribute__ ((unused));
+			cachep.gfpflags = GFP_KERNEL;
 
+  ;
+  return 0;
+}
 
+_ACEOF
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol user_path_at is exported" >&5
-$as_echo_n "checking whether symbol user_path_at is exported... " >&6; }
-	grep -q -E '[[:space:]]user_path_at[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(user_path_at)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
 
-		else
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_USER_PATH_DIR 1
+#define HAVE_KMEM_CACHE_GFPFLAGS 1
 _ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_USER_PATH_DIR 1
-_ACEOF
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-	fi
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol set_fs_pwd is exported" >&5
-$as_echo_n "checking whether symbol set_fs_pwd is exported... " >&6; }
-	grep -q -E '[[:space:]]set_fs_pwd[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(set_fs_pwd)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+fi
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+	rm -Rf build
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_FS_PWD 1
-_ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_FS_PWD 1
-_ACEOF
 
-	fi
+
+fi
+
+	rm -Rf build
+
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether set_fs_pwd() wants 2 args" >&5
-$as_echo_n "checking whether set_fs_pwd() wants 2 args... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether wait_on_bit() takes an action" >&5
+$as_echo_n "checking whether wait_on_bit() takes an action... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14721,14 +14848,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sched.h>
-		#include <linux/fs_struct.h>
+		#include <linux/wait.h>
 
 int
 main (void)
 {
 
-		set_fs_pwd(NULL, NULL);
+		int (*action)(void *) = NULL;
+		wait_on_bit(NULL, 0, action, 0);
 
   ;
   return 0;
@@ -14737,9 +14864,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14755,7 +14884,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_2ARGS_SET_FS_PWD 1
+#define HAVE_WAIT_ON_BIT_ACTION 1
 _ACEOF
 
 
@@ -14774,8 +14903,11 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether vfs_unlink() wants 2 args" >&5
-$as_echo_n "checking whether vfs_unlink() wants 2 args... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether inode_lock_shared() exists" >&5
+$as_echo_n "checking whether inode_lock_shared() exists... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14792,7 +14924,8 @@ int
 main (void)
 {
 
-		vfs_unlink(NULL, NULL);
+		struct inode *inode = NULL;
+		inode_lock_shared(inode);
 
   ;
   return 0;
@@ -14801,9 +14934,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14819,7 +14954,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_2ARGS_VFS_UNLINK 1
+#define HAVE_INODE_LOCK_SHARED 1
 _ACEOF
 
 
@@ -14837,9 +14972,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
+
 
-	{ $as_echo "$as_me:$LINENO: checking whether vfs_rename() wants 4 args" >&5
-$as_echo_n "checking whether vfs_rename() wants 4 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether group_info->gid exists" >&5
+$as_echo_n "checking whether group_info->gid exists... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14850,13 +14989,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/fs.h>
+		#include <linux/cred.h>
 
 int
 main (void)
 {
 
-		vfs_rename(NULL, NULL, NULL, NULL);
+		struct group_info *gi = groups_alloc(1);
+		gi->gid[0] = KGIDT_INIT(0);
 
   ;
   return 0;
@@ -14865,9 +15005,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14883,7 +15025,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_4ARGS_VFS_RENAME 1
+#define HAVE_GROUP_INFO_GID 1
 _ACEOF
 
 
@@ -14901,10 +15043,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether struct cred exists" >&5
-$as_echo_n "checking whether struct cred exists... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether kmem_cache_create_usercopy() exists" >&5
+$as_echo_n "checking whether kmem_cache_create_usercopy() exists... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14915,14 +15060,26 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/cred.h>
+		#include <linux/slab.h>
+		static void ctor(void *foo)
+		{
+			// fake ctor
+		}
 
 int
 main (void)
 {
 
-		struct cred *cr;
-		cr  = NULL;
+		struct kmem_cache *skc_linux_cache;
+		const char *name = "test";
+		size_t size = 4096;
+		size_t align = 8;
+		unsigned long flags = 0;
+		size_t useroffset = 0;
+		size_t usersize = size - useroffset;
+
+		skc_linux_cache = kmem_cache_create_usercopy(
+			name, size, align, flags, useroffset, usersize, ctor);
 
   ;
   return 0;
@@ -14931,9 +15088,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -14949,7 +15108,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_CRED_STRUCT 1
+#define HAVE_KMEM_CACHE_CREATE_USERCOPY 1
 _ACEOF
 
 
@@ -14967,92 +15126,11 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol groups_search is exported" >&5
-$as_echo_n "checking whether symbol groups_search is exported... " >&6; }
-	grep -q -E '[[:space:]]groups_search[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(groups_search)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GROUPS_SEARCH 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GROUPS_SEARCH 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether symbol __put_task_struct is exported" >&5
-$as_echo_n "checking whether symbol __put_task_struct is exported... " >&6; }
-	grep -q -E '[[:space:]]__put_task_struct[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(__put_task_struct)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PUT_TASK_STRUCT 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PUT_TASK_STRUCT 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether proc_handler() wants 5 args" >&5
-$as_echo_n "checking whether proc_handler() wants 5 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether wait_queue_entry_t exists" >&5
+$as_echo_n "checking whether wait_queue_entry_t exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -15063,13 +15141,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sysctl.h>
+		#include <linux/wait.h>
 
 int
 main (void)
 {
 
-		proc_dostring(NULL, 0, NULL, NULL, NULL);
+		wait_queue_entry_t *entry __attribute__ ((unused));
 
   ;
   return 0;
@@ -15078,9 +15156,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15096,7 +15176,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_5ARGS_PROC_HANDLER 1
+#define HAVE_WAIT_QUEUE_ENTRY_T 1
 _ACEOF
 
 
@@ -15116,49 +15196,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kvasprintf is exported" >&5
-$as_echo_n "checking whether symbol kvasprintf is exported... " >&6; }
-	grep -q -E '[[:space:]]kvasprintf[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(kvasprintf)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KVASPRINTF 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KVASPRINTF 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether file_fsync() wants 3 args" >&5
-$as_echo_n "checking whether file_fsync() wants 3 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether wq_head->head and wq_entry->entry exist" >&5
+$as_echo_n "checking whether wq_head->head and wq_entry->entry exist... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -15169,13 +15208,27 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/buffer_head.h>
+		#include <linux/wait.h>
+
+		#ifdef HAVE_WAIT_QUEUE_ENTRY_T
+		typedef wait_queue_head_t	spl_wait_queue_head_t;
+		typedef wait_queue_entry_t	spl_wait_queue_entry_t;
+		#else
+		typedef wait_queue_head_t	spl_wait_queue_head_t;
+		typedef wait_queue_t		spl_wait_queue_entry_t;
+		#endif
 
 int
 main (void)
 {
 
-		file_fsync(NULL, NULL, 0);
+		spl_wait_queue_head_t wq_head;
+		spl_wait_queue_entry_t wq_entry;
+		struct list_head *head __attribute__ ((unused));
+		struct list_head *entry __attribute__ ((unused));
+
+		head = &wq_head.head;
+		entry = &wq_entry.entry;
 
   ;
   return 0;
@@ -15184,9 +15237,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15202,7 +15257,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_3ARGS_FILE_FSYNC 1
+#define HAVE_WAIT_QUEUE_HEAD_ENTRY 1
 _ACEOF
 
 
@@ -15221,65 +15276,9 @@ fi
 
 
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether symbol rwsem_is_locked is exported" >&5
-$as_echo_n "checking whether symbol rwsem_is_locked is exported... " >&6; }
-	grep -q -E '[[:space:]]rwsem_is_locked[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in lib/rwsem-spinlock.c; do
-			grep -q -E "EXPORT_SYMBOL.*(rwsem_is_locked)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
-_ACEOF
-
-	fi
-
-
  ;;
-                user)
-
-	if test "x$AWK" != xgawk; then
-
-                { { $as_echo "$as_me:$LINENO: error:
-	*** Required util gawk missing.  Please install the required
-	*** gawk package for your distribution and try again." >&5
-$as_echo "$as_me: error:
-	*** Required util gawk missing.  Please install the required
-	*** gawk package for your distribution and try again." >&2;}
-   { (exit 1); exit 1; }; }
-
-fi
-
-
-   ;;
-                all)
+		user)      ;;
+		all)
 
 
 # Check whether --with-linux was given.
@@ -15298,42 +15297,50 @@ fi
 	{ $as_echo "$as_me:$LINENO: checking kernel source directory" >&5
 $as_echo_n "checking kernel source directory... " >&6; }
 	if test -z "$kernelsrc"; then
-		headersdir="/lib/modules/$(uname -r)/build"
-		if test -e "$headersdir"; then
+		if test -e "/lib/modules/$(uname -r)/source"; then
+			headersdir="/lib/modules/$(uname -r)/source"
+			sourcelink=$(readlink -f "$headersdir")
+		elif test -e "/lib/modules/$(uname -r)/build"; then
+			headersdir="/lib/modules/$(uname -r)/build"
 			sourcelink=$(readlink -f "$headersdir")
 		else
 			sourcelink=$(ls -1d /usr/src/kernels/* \
-				     /usr/src/linux-* \
+			             /usr/src/linux-* \
 			             2>/dev/null | grep -v obj | tail -1)
 		fi
 
 		if test -n "$sourcelink" && test -e ${sourcelink}; then
 			kernelsrc=`readlink -f ${sourcelink}`
 		else
-			{ $as_echo "$as_me:$LINENO: result: Not found" >&5
-$as_echo "Not found" >&6; }
-			{ { $as_echo "$as_me:$LINENO: error:
-	*** Please make sure the kernel devel package for your distribution
-	*** is installed then try again.  If that fails you can specify the
-	*** location of the kernel source with the '--with-linux=PATH' option." >&5
-$as_echo "$as_me: error:
-	*** Please make sure the kernel devel package for your distribution
-	*** is installed then try again.  If that fails you can specify the
-	*** location of the kernel source with the '--with-linux=PATH' option." >&2;}
-   { (exit 1); exit 1; }; }
+			kernelsrc="Not found"
 		fi
 	else
 		if test "$kernelsrc" = "NONE"; then
 			kernsrcver=NONE
 		fi
+		withlinux=yes
 	fi
 
 	{ $as_echo "$as_me:$LINENO: result: $kernelsrc" >&5
 $as_echo "$kernelsrc" >&6; }
+	if test ! -d "$kernelsrc"; then
+		{ { $as_echo "$as_me:$LINENO: error:
+	*** Please make sure the kernel devel package for your distribution
+	*** is installed and then try again.  If that fails, you can specify the
+	*** location of the kernel source with the '--with-linux=PATH' option." >&5
+$as_echo "$as_me: error:
+	*** Please make sure the kernel devel package for your distribution
+	*** is installed and then try again.  If that fails, you can specify the
+	*** location of the kernel source with the '--with-linux=PATH' option." >&2;}
+   { (exit 1); exit 1; }; }
+	fi
+
 	{ $as_echo "$as_me:$LINENO: checking kernel build directory" >&5
 $as_echo_n "checking kernel build directory... " >&6; }
 	if test -z "$kernelbuild"; then
-		if test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then
+		if test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"; then
+			kernelbuild=`readlink -f /lib/modules/$(uname -r)/build`
+		elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then
 			kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu}
 		elif test -d ${kernelsrc}-obj/${target_cpu}/default; then
 			kernelbuild=${kernelsrc}-obj/${target_cpu}/default
@@ -15375,9 +15382,19 @@ $as_echo "$as_me: error: *** Cannot determine kernel version." >&2;}
 	else
 		{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
-		{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
+		if test "x$enable_linux_builtin" != xyes; then
+			{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
 $as_echo "$as_me: error: *** Cannot find UTS_RELEASE definition." >&2;}
    { (exit 1); exit 1; }; }
+		else
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree." >&5
+$as_echo "$as_me: error:
+	*** Cannot find UTS_RELEASE definition.
+	*** Please run 'make prepare' inside the kernel source tree." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
 	fi
 
 	{ $as_echo "$as_me:$LINENO: result: $kernsrcver" >&5
@@ -15395,12 +15412,26 @@ $as_echo "$kernsrcver" >&6; }
 	modpost=$LINUX/scripts/Makefile.modpost
 	{ $as_echo "$as_me:$LINENO: checking kernel file name for module symbols" >&5
 $as_echo_n "checking kernel file name for module symbols... " >&6; }
-	if test -f "$modpost"; then
+	if test "x$enable_linux_builtin" != xyes -a -f "$modpost"; then
 		if grep -q Modules.symvers $modpost; then
 			LINUX_SYMBOLS=Modules.symvers
 		else
 			LINUX_SYMBOLS=Module.symvers
 		fi
+
+		if ! test -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Please make sure the kernel devel package for your distribution
+	*** is installed.  If you are building with a custom kernel, make sure the
+	*** kernel is configured, built, and the '--with-linux=PATH' configure
+	*** option refers to the location of the kernel source." >&5
+$as_echo "$as_me: error:
+	*** Please make sure the kernel devel package for your distribution
+	*** is installed.  If you are building with a custom kernel, make sure the
+	*** kernel is configured, built, and the '--with-linux=PATH' configure
+	*** option refers to the location of the kernel source." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
 	else
 		LINUX_SYMBOLS=NONE
 	fi
@@ -15433,16 +15464,19 @@ fi
 
 		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror"
 		DEBUG_CFLAGS="-DDEBUG -Werror"
+		DEBUG_SPL="_with_debug"
 
 else
 
 		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG"
 		DEBUG_CFLAGS="-DNDEBUG"
+		DEBUG_SPL="_without_debug"
 
 fi
 
 
 
+
 	{ $as_echo "$as_me:$LINENO: result: $enable_debug" >&5
 $as_echo "$enable_debug" >&6; }
 
@@ -15451,20 +15485,28 @@ $as_echo "$enable_debug" >&6; }
 if test "${enable_debug_kmem+set}" = set; then
   enableval=$enable_debug_kmem;
 else
-  enable_debug_kmem=yes
+  enable_debug_kmem=no
 fi
 
 
 	if test "x$enable_debug_kmem" = xyes; then
 
+		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM"
+		DEBUG_KMEM="_with_debug_kmem"
+
 cat >>confdefs.h <<\_ACEOF
 #define DEBUG_KMEM 1
 _ACEOF
 
-		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM"
+
+else
+
+		DEBUG_KMEM="_without_debug_kmem"
+
 fi
 
 
+
 	{ $as_echo "$as_me:$LINENO: checking whether basic kmem accounting is enabled" >&5
 $as_echo_n "checking whether basic kmem accounting is enabled... " >&6; }
 	{ $as_echo "$as_me:$LINENO: result: $enable_debug_kmem" >&5
@@ -15481,19 +15523,177 @@ fi
 
 	if test "x$enable_debug_kmem_tracking" = xyes; then
 
+		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING"
+		DEBUG_KMEM_TRACKING="_with_debug_kmem_tracking"
+
 cat >>confdefs.h <<\_ACEOF
 #define DEBUG_KMEM_TRACKING 1
 _ACEOF
 
-		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING"
+
+else
+
+		DEBUG_KMEM_TRACKING="_without_debug_kmem_tracking"
+
+fi
+
+
+
+	{ $as_echo "$as_me:$LINENO: checking whether detailed kmem tracking is enabled" >&5
+$as_echo_n "checking whether detailed kmem tracking is enabled... " >&6; }
+	{ $as_echo "$as_me:$LINENO: result: $enable_debug_kmem_tracking" >&5
+$as_echo "$enable_debug_kmem_tracking" >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether modules can be built" >&5
+$as_echo_n "checking whether modules can be built... " >&6; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+		if test "x$enable_linux_builtin" != xyes; then
+			{ { $as_echo "$as_me:$LINENO: error: *** Unable to build an empty module." >&5
+$as_echo "$as_me: error: *** Unable to build an empty module." >&2;}
+   { (exit 1); exit 1; }; }
+		else
+			{ { $as_echo "$as_me:$LINENO: error:
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree." >&5
+$as_echo "$as_me: error:
+	*** Unable to build an empty module.
+	*** Please run 'make scripts' inside the kernel source tree." >&2;}
+   { (exit 1); exit 1; }; }
+		fi
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+	if test "x$cross_compiling" != xyes; then
+
+		if test "$cross_compiling" = yes; then
+  { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&2;}
+   { (exit 1); exit 1; }; }; }
+else
+  cat >conftest.$ac_ext <<_ACEOF
+
+			/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+				#include "$LINUX/include/linux/license.h"
+
+int
+main ()
+{
+
+				return !license_is_gpl_compatible(
+				    "$SPL_META_LICENSE");
+
+  ;
+  return 0;
+}
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+
+cat >>confdefs.h <<\_ACEOF
+#define SPL_IS_GPL_COMPATIBLE 1
+_ACEOF
+
+
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+
+
+fi
+rm -rf conftest.dSYM
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+
 fi
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether detailed kmem tracking is enabled" >&5
-$as_echo_n "checking whether detailed kmem tracking is enabled... " >&6; }
-	{ $as_echo "$as_me:$LINENO: result: $enable_debug_kmem_tracking" >&5
-$as_echo "$enable_debug_kmem_tracking" >&6; }
-
 
 	# Check whether --enable-atomic-spinlocks was given.
 if test "${enable_atomic_spinlocks+set}" = set; then
@@ -15513,13 +15713,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <asm/atomic.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		atomic64_t *ptr;
+		atomic64_t *ptr __attribute__ ((unused));
 
   ;
   return 0;
@@ -15528,9 +15728,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15615,8 +15817,11 @@ $as_echo_n "checking whether kernel defines atomic64_t... " >&6; }
 	{ $as_echo "$as_me:$LINENO: result: $have_atomic64_t" >&5
 $as_echo "$have_atomic64_t" >&6; }
 
-	{ $as_echo "$as_me:$LINENO: checking whether kernel defines atomic64_cmpxchg" >&5
-$as_echo_n "checking whether kernel defines atomic64_cmpxchg... " >&6; }
+
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
+					{ $as_echo "$as_me:$LINENO: checking whether old 2-argument shrinker exists" >&5
+$as_echo_n "checking whether old 2-argument shrinker exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -15627,14 +15832,19 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <asm/atomic.h>
-		#include <asm/system.h>
+		#include <linux/mm.h>
+
+		int shrinker_cb(int nr_to_scan, gfp_t gfp_mask);
 
 int
 main (void)
 {
 
-		atomic64_cmpxchg((atomic64_t *)NULL, 0, 0);
+		struct shrinker cache_shrinker = {
+			.shrink = shrinker_cb,
+			.seeks = DEFAULT_SEEKS,
+		};
+		register_shrinker(&cache_shrinker);
 
   ;
   return 0;
@@ -15643,9 +15853,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15661,7 +15873,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ATOMIC64_CMPXCHG 1
+#define HAVE_2ARGS_OLD_SHRINKER_CALLBACK 1
 _ACEOF
 
 
@@ -15671,17 +15883,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether kernel defines atomic64_xchg" >&5
-$as_echo_n "checking whether kernel defines atomic64_xchg... " >&6; }
+												{ $as_echo "$as_me:$LINENO: checking whether old 3-argument shrinker exists" >&5
+$as_echo_n "checking whether old 3-argument shrinker exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -15692,13 +15895,20 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <asm/atomic.h>
+			#include <linux/mm.h>
+
+			int shrinker_cb(struct shrinker *, int nr_to_scan,
+					gfp_t gfp_mask);
 
 int
 main (void)
 {
 
-		atomic64_xchg((atomic64_t *)NULL, 0);
+			struct shrinker cache_shrinker = {
+				.shrink = shrinker_cb,
+				.seeks = DEFAULT_SEEKS,
+			};
+			register_shrinker(&cache_shrinker);
 
   ;
   return 0;
@@ -15707,9 +15917,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15721,11 +15933,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ATOMIC64_XCHG 1
+#define HAVE_3ARGS_SHRINKER_CALLBACK 1
 _ACEOF
 
 
@@ -15733,19 +15945,74 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
+																		{ $as_echo "$as_me:$LINENO: checking whether new 2-argument shrinker exists" >&5
+$as_echo_n "checking whether new 2-argument shrinker exists... " >&6; }
 
 
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
-fi
 
-	rm -Rf build
+				#include <linux/mm.h>
+
+				int shrinker_cb(struct shrinker *,
+						struct shrink_control *sc);
+
+int
+main (void)
+{
+
+				struct shrinker cache_shrinker = {
+					.shrink = shrinker_cb,
+					.seeks = DEFAULT_SEEKS,
+				};
+				register_shrinker(&cache_shrinker);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+				{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_2ARGS_NEW_SHRINKER_CALLBACK 1
+_ACEOF
 
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-	{ $as_echo "$as_me:$LINENO: checking whether kernel defines uintptr_t" >&5
-$as_echo_n "checking whether kernel defines uintptr_t... " >&6; }
+				{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+																								{ $as_echo "$as_me:$LINENO: checking whether ->count_objects callback exists" >&5
+$as_echo_n "checking whether ->count_objects callback exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -15756,13 +16023,22 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/types.h>
+					#include <linux/mm.h>
+
+					unsigned long shrinker_cb(
+						struct shrinker *,
+						struct shrink_control *sc);
 
 int
 main (void)
 {
 
-		uintptr_t *ptr;
+					struct shrinker cache_shrinker = {
+						.count_objects = shrinker_cb,
+						.scan_objects = shrinker_cb,
+						.seeks = DEFAULT_SEEKS,
+					};
+					register_shrinker(&cache_shrinker);
 
   ;
   return 0;
@@ -15771,9 +16047,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15785,11 +16063,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+					{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_UINTPTR_T 1
+#define HAVE_SPLIT_SHRINKER_CALLBACK 1
 _ACEOF
 
 
@@ -15797,8 +16075,33 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+					{ { $as_echo "$as_me:$LINENO: error: error" >&5
+$as_echo "$as_me: error: error" >&2;}
+   { (exit 1); exit 1; }; }
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+
+
+fi
+
+	rm -Rf build
+
+
 
 
 
@@ -15807,9 +16110,11 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
+
 
-	{ $as_echo "$as_me:$LINENO: checking whether INIT_WORK wants 3 args" >&5
-$as_echo_n "checking whether INIT_WORK wants 3 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct ctl_table has ctl_name" >&5
+$as_echo_n "checking whether struct ctl_table has ctl_name... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -15820,14 +16125,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/workqueue.h>
+		#include <linux/sysctl.h>
 
 int
 main (void)
 {
 
-		struct work_struct work;
-		INIT_WORK(&work, NULL, NULL);
+		struct ctl_table ctl __attribute__ ((unused));
+		ctl.ctl_name = 0;
 
   ;
   return 0;
@@ -15836,9 +16141,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15854,7 +16161,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_3ARGS_INIT_WORK 1
+#define HAVE_CTL_NAME 1
 _ACEOF
 
 
@@ -15873,8 +16180,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether register_sysctl_table() wants 2 args" >&5
-$as_echo_n "checking whether register_sysctl_table() wants 2 args... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether CONFIG_TRIM_UNUSED_KSYM is disabled" >&5
+$as_echo_n "checking whether CONFIG_TRIM_UNUSED_KSYM is disabled... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -15885,14 +16193,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sysctl.h>
+		#if defined(CONFIG_TRIM_UNUSED_KSYMS)
+		#error CONFIG_TRIM_UNUSED_KSYMS not defined
+		#endif
 
 int
 main (void)
 {
 
-		return register_sysctl_table(NULL,0);
-
   ;
   return 0;
 }
@@ -15900,9 +16208,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15917,17 +16227,19 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_2ARGS_REGISTER_SYSCTL 1
-_ACEOF
-
-
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
+		{ { $as_echo "$as_me:$LINENO: error:
+	*** This kernel has unused symbols trimming enabled, please disable.
+	*** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n set." >&5
+$as_echo "$as_me: error:
+	*** This kernel has unused symbols trimming enabled, please disable.
+	*** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n set." >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -15938,8 +16250,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether set_shrinker() available" >&5
-$as_echo_n "checking whether set_shrinker() available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether PDE_DATA() is available" >&5
+$as_echo_n "checking whether PDE_DATA() is available... " >&6; }
+
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -15950,13 +16263,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/proc_fs.h>
 
 int
 main (void)
 {
 
-		return set_shrinker(DEFAULT_SEEKS, NULL);
+		PDE_DATA(NULL);
 
   ;
   return 0;
@@ -15965,9 +16278,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -15978,34 +16293,73 @@ _ACEOF
   ac_status=$?
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
+  rc=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_SHRINKER 1
-_ACEOF
+fi
 
+	rm -Rf build
 
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+
+	if test $rc -ne 0; then :
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+	else
+		if test "x$enable_linux_builtin" != xyes; then
+
+	grep -q -E '[[:space:]]PDE_DATA[[:space:]]' \
+		$LINUX_OBJ/Module*.symvers 2>/dev/null
+	rc=$?
+	if test $rc -ne 0; then
+		export=0
+		for file in ; do
+			grep -q -E "EXPORT_SYMBOL.*(PDE_DATA)" \
+				"$LINUX_OBJ/$file" 2>/dev/null
+			rc=$?
+			if test $rc -eq 0; then
+				export=1
+				break;
+			fi
+		done
+		if test $export -eq 0; then :
+			rc=1
+		else :
+			rc=0
+		fi
+	else :
+		rc=0
+	fi
+
+		fi
+		if test $rc -ne 0; then :
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
+		else :
 
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
 
-fi
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_PDE_DATA 1
+_ACEOF
 
-	rm -Rf build
 
+		fi
+	fi
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether shrinker callback wants 3 args" >&5
-$as_echo_n "checking whether shrinker callback wants 3 args... " >&6; }
 	tmp_flags="$EXTRA_KCFLAGS"
 	EXTRA_KCFLAGS="-Werror"
+	{ $as_echo "$as_me:$LINENO: checking whether set_fs_pwd() requires const struct path *" >&5
+$as_echo_n "checking whether set_fs_pwd() requires const struct path *... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16016,19 +16370,18 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
-
-		int shrinker_cb(struct shrinker *, int, unsigned int);
+		#include <linux/spinlock.h>
+		#include <linux/fs_struct.h>
+		#include <linux/path.h>
+		void (*const set_fs_pwd_func)
+			(struct fs_struct *, const struct path *)
+			= set_fs_pwd;
 
 int
 main (void)
 {
 
-		struct shrinker cache_shrinker = {
-			.shrink = shrinker_cb,
-			.seeks = DEFAULT_SEEKS,
-		};
-		register_shrinker(&cache_shrinker);
+		return 0;
 
   ;
   return 0;
@@ -16037,9 +16390,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16055,7 +16410,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_3ARGS_SHRINKER_CALLBACK 1
+#define HAVE_SET_FS_PWD_WITH_CONST 1
 _ACEOF
 
 
@@ -16063,20 +16418,6 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-	EXTRA_KCFLAGS="$tmp_flags"
-
-	{ $as_echo "$as_me:$LINENO: checking whether struct path used in struct nameidata" >&5
-$as_echo_n "checking whether struct path used in struct nameidata... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16087,16 +16428,18 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/namei.h>
+			#include <linux/spinlock.h>
+			#include <linux/fs_struct.h>
+			#include <linux/path.h>
+			void (*const set_fs_pwd_func)
+				(struct fs_struct *, struct path *)
+				= set_fs_pwd;
 
 int
 main (void)
 {
 
-		struct nameidata nd;
-
-		nd.path.mnt = NULL;
-		nd.path.dentry = NULL;
+			return 0;
 
   ;
   return 0;
@@ -16105,9 +16448,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16119,20 +16464,16 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PATH_IN_NAMEIDATA 1
-_ACEOF
-
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
 
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+			{ { $as_echo "$as_me:$LINENO: error: unknown" >&5
+$as_echo "$as_me: error: unknown" >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -16143,48 +16484,73 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol task_curr is exported" >&5
-$as_echo_n "checking whether symbol task_curr is exported... " >&6; }
-	grep -q -E '[[:space:]]task_curr[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in kernel/sched.c; do
-			grep -q -E "EXPORT_SYMBOL.*(task_curr)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+fi
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_TASK_CURR 1
+	rm -Rf build
+
+
+	EXTRA_KCFLAGS="$tmp_flags"
+
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_unlink() wants 2 args" >&5
+$as_echo_n "checking whether vfs_unlink() wants 2 args... " >&6; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
 _ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		vfs_unlink((struct inode *) NULL, (struct dentry *) NULL);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
 
-		fi
-	else
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_TASK_CURR 1
+#define HAVE_2ARGS_VFS_UNLINK 1
 _ACEOF
 
-	fi
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-	{ $as_echo "$as_me:$LINENO: checking whether unnumbered sysctl support exists" >&5
-$as_echo_n "checking whether unnumbered sysctl support exists... " >&6; }
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+										{ $as_echo "$as_me:$LINENO: checking whether vfs_unlink() wants 3 args" >&5
+$as_echo_n "checking whether vfs_unlink() wants 3 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16195,15 +16561,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sysctl.h>
+			#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		#ifndef CTL_UNNUMBERED
-		#error CTL_UNNUMBERED undefined
-		#endif
+			vfs_unlink((struct inode *) NULL,
+				(struct dentry *) NULL,
+				(struct inode **) NULL);
 
   ;
   return 0;
@@ -16212,9 +16578,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16226,11 +16594,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_CTL_UNNUMBERED 1
+#define HAVE_3ARGS_VFS_UNLINK 1
 _ACEOF
 
 
@@ -16238,8 +16606,9 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+			{ { $as_echo "$as_me:$LINENO: error: no" >&5
+$as_echo "$as_me: error: no" >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -16250,8 +16619,16 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether struct ctl_table has ctl_name" >&5
-$as_echo_n "checking whether struct ctl_table has ctl_name... " >&6; }
+
+
+fi
+
+	rm -Rf build
+
+
+
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_rename() wants 4 args" >&5
+$as_echo_n "checking whether vfs_rename() wants 4 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16262,14 +16639,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sysctl.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		struct ctl_table ctl;
-		ctl.ctl_name = 0;
+		vfs_rename((struct inode *) NULL, (struct dentry *) NULL,
+			(struct inode *) NULL, (struct dentry *) NULL);
 
   ;
   return 0;
@@ -16278,9 +16655,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16296,7 +16675,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_CTL_NAME 1
+#define HAVE_4ARGS_VFS_RENAME 1
 _ACEOF
 
 
@@ -16306,17 +16685,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether fls64() is available" >&5
-$as_echo_n "checking whether fls64() is available... " >&6; }
+										{ $as_echo "$as_me:$LINENO: checking whether vfs_rename() wants 5 args" >&5
+$as_echo_n "checking whether vfs_rename() wants 5 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16327,13 +16697,17 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/bitops.h>
+			#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		return fls64(0);
+			vfs_rename((struct inode *) NULL,
+				(struct dentry *) NULL,
+				(struct inode *) NULL,
+				(struct dentry *) NULL,
+				(struct inode **) NULL);
 
   ;
   return 0;
@@ -16342,9 +16716,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16356,11 +16732,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_FLS64 1
+#define HAVE_5ARGS_VFS_RENAME 1
 _ACEOF
 
 
@@ -16368,63 +16744,10 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-
-
-fi
-
-	rm -Rf build
-
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether symbol device_create is exported" >&5
-$as_echo_n "checking whether symbol device_create is exported... " >&6; }
-	grep -q -E '[[:space:]]device_create[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in drivers/base/core.c; do
-			grep -q -E "EXPORT_SYMBOL.*(device_create)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DEVICE_CREATE 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_DEVICE_CREATE 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether device_create() wants 5 args" >&5
-$as_echo_n "checking whether device_create() wants 5 args... " >&6; }
-	tmp_flags="$EXTRA_KCFLAGS"
-	EXTRA_KCFLAGS="-Werror"
+															{ $as_echo "$as_me:$LINENO: checking whether vfs_rename() wants 6 args" >&5
+$as_echo_n "checking whether vfs_rename() wants 6 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16435,13 +16758,18 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/device.h>
+				#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		device_create(NULL, NULL, 0, NULL, "%d", 1);
+				vfs_rename((struct inode *) NULL,
+					(struct dentry *) NULL,
+					(struct inode *) NULL,
+					(struct dentry *) NULL,
+					(struct inode **) NULL,
+					(unsigned int) 0);
 
   ;
   return 0;
@@ -16450,9 +16778,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16464,11 +16794,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+				{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_5ARGS_DEVICE_CREATE 1
+#define HAVE_6ARGS_VFS_RENAME 1
 _ACEOF
 
 
@@ -16476,8 +16806,9 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+				{ { $as_echo "$as_me:$LINENO: error: no" >&5
+$as_echo "$as_me: error: no" >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -16486,93 +16817,26 @@ fi
 	rm -Rf build
 
 
-	EXTRA_KCFLAGS="$tmp_flags"
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether symbol class_device_create is exported" >&5
-$as_echo_n "checking whether symbol class_device_create is exported... " >&6; }
-	grep -q -E '[[:space:]]class_device_create[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in drivers/base/class.c; do
-			grep -q -E "EXPORT_SYMBOL.*(class_device_create)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_CLASS_DEVICE_CREATE 1
-_ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_CLASS_DEVICE_CREATE 1
-_ACEOF
 
-	fi
+fi
 
+	rm -Rf build
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol set_normalized_timespec is exported" >&5
-$as_echo_n "checking whether symbol set_normalized_timespec is exported... " >&6; }
-	grep -q -E '[[:space:]]set_normalized_timespec[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in kernel/time.c; do
-			grep -q -E "EXPORT_SYMBOL.*(set_normalized_timespec)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_NORMALIZED_TIMESPEC_EXPORT 1
-_ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+fi
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_NORMALIZED_TIMESPEC_EXPORT 1
-_ACEOF
+	rm -Rf build
 
-	fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether set_normalized_timespec() is an inline" >&5
-$as_echo_n "checking whether set_normalized_timespec() is an inline... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_fsync() wants 2 args" >&5
+$as_echo_n "checking whether vfs_fsync() wants 2 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16583,14 +16847,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/time.h>
-		void set_normalized_timespec(struct timespec *ts,
-		                             time_t sec, long nsec) { }
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
+		vfs_fsync(NULL, 0);
+
   ;
   return 0;
 }
@@ -16598,9 +16862,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16612,21 +16878,21 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_NORMALIZED_TIMESPEC_INLINE 1
+#define HAVE_2ARGS_VFS_FSYNC 1
 _ACEOF
 
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
 
 
 fi
@@ -16636,8 +16902,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether timespec_sub() is available" >&5
-$as_echo_n "checking whether timespec_sub() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether truncate_range() inode operation is available" >&5
+$as_echo_n "checking whether truncate_range() inode operation is available... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16648,14 +16914,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/time.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		struct timespec a, b, c = { 0 };
-		c = timespec_sub(a, b);
+		struct inode_operations ops;
+		ops.truncate_range = NULL;
 
   ;
   return 0;
@@ -16664,9 +16930,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16682,7 +16950,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_TIMESPEC_SUB 1
+#define HAVE_INODE_TRUNCATE_RANGE 1
 _ACEOF
 
 
@@ -16702,8 +16970,10 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether init_utsname() is available" >&5
-$as_echo_n "checking whether init_utsname() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct fs_struct uses spinlock_t" >&5
+$as_echo_n "checking whether struct fs_struct uses spinlock_t... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16714,13 +16984,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/utsname.h>
+		#include <linux/sched.h>
+		#include <linux/fs_struct.h>
 
 int
 main (void)
 {
 
-		struct new_utsname *a = init_utsname();
+		static struct fs_struct fs;
+		spin_lock_init(&fs.lock);
 
   ;
   return 0;
@@ -16729,9 +17001,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16747,7 +17021,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_INIT_UTSNAME 1
+#define HAVE_FS_STRUCT_SPINLOCK 1
 _ACEOF
 
 
@@ -16765,10 +17039,11 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether header linux/fdtable.h exists" >&5
-$as_echo_n "checking whether header linux/fdtable.h exists... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether kuid_t/kgid_t is available" >&5
+$as_echo_n "checking whether kuid_t/kgid_t is available... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16779,13 +17054,56 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/fdtable.h>
+		#include <linux/uidgid.h>
 
 int
 main (void)
 {
 
-		return 0;
+		kuid_t userid = KUIDT_INIT(0);
+		kgid_t groupid = KGIDT_INIT(0);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+			#include <linux/uidgid.h>
+
+int
+main (void)
+{
+
+			kuid_t userid = 0;
+			kgid_t groupid = 0;
 
   ;
   return 0;
@@ -16794,9 +17112,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16808,13 +17128,27 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
+			{ $as_echo "$as_me:$LINENO: result: yes; optional" >&5
+$as_echo "yes; optional" >&6; }
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+			{ $as_echo "$as_me:$LINENO: result: yes; mandatory" >&5
+$as_echo "yes; mandatory" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_FDTABLE_HEADER 1
+#define HAVE_KUIDGID_T 1
 _ACEOF
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+
+
+
+fi
+
+	rm -Rf build
+
 
 
 else
@@ -16826,7 +17160,6 @@ $as_echo "no" >&6; }
 
 
 
-
 fi
 
 	rm -Rf build
@@ -16835,8 +17168,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether files_fdtable() is available" >&5
-$as_echo_n "checking whether files_fdtable() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether fops->fallocate() exists" >&5
+$as_echo_n "checking whether fops->fallocate() exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16847,18 +17180,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sched.h>
-		#include <linux/file.h>
-		#ifdef HAVE_FDTABLE_HEADER
-		#include <linux/fdtable.h>
-		#endif
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		struct files_struct *files = current->files;
-		struct fdtable *fdt = files_fdtable(files);
+		long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
+		struct file_operations fops __attribute__ ((unused)) = {
+			.fallocate = fallocate,
+		};
 
   ;
   return 0;
@@ -16867,9 +17198,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16885,7 +17218,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_FILES_FDTABLE 1
+#define HAVE_FILE_FALLOCATE 1
 _ACEOF
 
 
@@ -16905,8 +17238,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether header linux/uaccess.h exists" >&5
-$as_echo_n "checking whether header linux/uaccess.h exists... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether iops->fallocate() exists" >&5
+$as_echo_n "checking whether iops->fallocate() exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16917,13 +17250,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/uaccess.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		return 0;
+		long (*fallocate) (struct inode *, int, loff_t, loff_t) = NULL;
+		struct inode_operations fops __attribute__ ((unused)) = {
+			.fallocate = fallocate,
+		};
 
   ;
   return 0;
@@ -16932,9 +17268,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -16946,14 +17284,13 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_UACCESS_HEADER 1
+#define HAVE_INODE_FALLOCATE 1
 _ACEOF
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
 
 else
   $as_echo "$as_me: failed program was:" >&5
@@ -16964,7 +17301,6 @@ $as_echo "no" >&6; }
 
 
 
-
 fi
 
 	rm -Rf build
@@ -16972,9 +17308,8 @@ fi
 
 
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether kmalloc_node() is available" >&5
-$as_echo_n "checking whether kmalloc_node() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether fops->fallocate() exists" >&5
+$as_echo_n "checking whether fops->fallocate() exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16985,13 +17320,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/slab.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		void *a = kmalloc_node(1, GFP_KERNEL, 0);
+		long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
+		struct file_operations_no_const fops __attribute__ ((unused)) = {
+			.fallocate = fallocate,
+		};
 
   ;
   return 0;
@@ -17000,9 +17338,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17018,7 +17358,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_KMALLOC_NODE 1
+#define HAVE_FILE_FALLOCATE 1
 _ACEOF
 
 
@@ -17038,49 +17378,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol monotonic_clock is exported" >&5
-$as_echo_n "checking whether symbol monotonic_clock is exported... " >&6; }
-	grep -q -E '[[:space:]]monotonic_clock[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(monotonic_clock)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MONOTONIC_CLOCK 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MONOTONIC_CLOCK 1
-_ACEOF
-
-	fi
-
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether struct inode has i_mutex" >&5
-$as_echo_n "checking whether struct inode has i_mutex... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether CONFIG_ZLIB_INFLATE is defined" >&5
+$as_echo_n "checking whether CONFIG_ZLIB_INFLATE is defined... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17091,16 +17391,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/fs.h>
-		#include <linux/mutex.h>
+		#if !defined(CONFIG_ZLIB_INFLATE) && \
+		    !defined(CONFIG_ZLIB_INFLATE_MODULE)
+		#error CONFIG_ZLIB_INFLATE not defined
+		#endif
 
 int
 main (void)
 {
 
-		struct inode i;
-		mutex_init(&i.i_mutex);
-
   ;
   return 0;
 }
@@ -17108,9 +17407,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17125,17 +17426,19 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_INODE_I_MUTEX 1
-_ACEOF
-
-
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
+		{ { $as_echo "$as_me:$LINENO: error:
+	*** This kernel does not include the required zlib inflate support.
+	*** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set." >&5
+$as_echo "$as_me: error:
+	*** This kernel does not include the required zlib inflate support.
+	*** Rebuild the kernel with CONFIG_ZLIB_INFLATE=y|m set." >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -17146,8 +17449,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether struct mutex has owner" >&5
-$as_echo_n "checking whether struct mutex has owner... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether CONFIG_ZLIB_DEFLATE is defined" >&5
+$as_echo_n "checking whether CONFIG_ZLIB_DEFLATE is defined... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17158,15 +17461,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mutex.h>
+		#if !defined(CONFIG_ZLIB_DEFLATE) && \
+		    !defined(CONFIG_ZLIB_DEFLATE_MODULE)
+		#error CONFIG_ZLIB_DEFLATE not defined
+		#endif
 
 int
 main (void)
 {
 
-		struct mutex mtx;
-		mtx.owner = NULL;
-
   ;
   return 0;
 }
@@ -17174,9 +17477,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17191,17 +17496,19 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MUTEX_OWNER 1
-_ACEOF
-
-
 else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
+		{ { $as_echo "$as_me:$LINENO: error:
+	*** This kernel does not include the required zlib deflate support.
+	*** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set." >&5
+$as_echo "$as_me: error:
+	*** This kernel does not include the required zlib deflate support.
+	*** Rebuild the kernel with CONFIG_ZLIB_DEFLATE=y|m set." >&2;}
+   { (exit 1); exit 1; }; }
 
 
 
@@ -17211,9 +17518,8 @@ fi
 
 
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether mutex_lock_nested() is available" >&5
-$as_echo_n "checking whether mutex_lock_nested() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether zlib_deflate_workspacesize() wants 2 args" >&5
+$as_echo_n "checking whether zlib_deflate_workspacesize() wants 2 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17224,15 +17530,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mutex.h>
+		#include <linux/zlib.h>
 
 int
 main (void)
 {
 
-		struct mutex mutex;
-		mutex_init(&mutex);
-		mutex_lock_nested(&mutex, 0);
+		return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL);
 
   ;
   return 0;
@@ -17241,9 +17545,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17259,7 +17565,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_MUTEX_LOCK_NESTED 1
+#define HAVE_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE 1
 _ACEOF
 
 
@@ -17279,8 +17585,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether on_each_cpu() wants 3 args" >&5
-$as_echo_n "checking whether on_each_cpu() wants 3 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct shrink_control exists" >&5
+$as_echo_n "checking whether struct shrink_control exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17291,13 +17597,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/smp.h>
+		#include <linux/mm.h>
 
 int
 main (void)
 {
 
-		on_each_cpu(NULL, NULL, 0);
+		struct shrink_control sc __attribute__ ((unused));
+
+		sc.nr_to_scan = 0;
+		sc.gfp_mask = GFP_KERNEL;
 
   ;
   return 0;
@@ -17306,9 +17615,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17324,7 +17635,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_3ARGS_ON_EACH_CPU 1
+#define HAVE_SHRINK_CONTROL_STRUCT 1
 _ACEOF
 
 
@@ -17344,272 +17655,154 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kallsyms_lookup_name is exported" >&5
-$as_echo_n "checking whether symbol kallsyms_lookup_name is exported... " >&6; }
-	grep -q -E '[[:space:]]kallsyms_lookup_name[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(kallsyms_lookup_name)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KALLSYMS_LOOKUP_NAME 1
-_ACEOF
+	{ $as_echo "$as_me:$LINENO: checking whether struct rw_semaphore member wait_lock is raw" >&5
+$as_echo_n "checking whether struct rw_semaphore member wait_lock is raw... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KALLSYMS_LOOKUP_NAME 1
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
 _ACEOF
-
-	fi
-
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol get_vmalloc_info is exported" >&5
-$as_echo_n "checking whether symbol get_vmalloc_info is exported... " >&6; }
-	grep -q -E '[[:space:]]get_vmalloc_info[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(get_vmalloc_info)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+		#include <linux/rwsem.h>
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+int
+main (void)
+{
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_VMALLOC_INFO 1
-_ACEOF
+		struct rw_semaphore dummy_semaphore __attribute__ ((unused));
+		raw_spinlock_t dummy_lock __attribute__ ((unused)) =
+		    __RAW_SPIN_LOCK_INITIALIZER(dummy_lock);
+		dummy_semaphore.wait_lock = dummy_lock;
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+  ;
+  return 0;
+}
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_VMALLOC_INFO 1
 _ACEOF
 
-	fi
-
 
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol *_pgdat exist" >&5
-$as_echo_n "checking whether symbol *_pgdat exist... " >&6; }
-	grep -q -E 'first_online_pgdat' $LINUX/include/linux/mmzone.h 2>/dev/null
-	rc=$?
-	if test $rc -eq 0; then
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_PGDAT_HELPERS 1
+#define RWSEM_SPINLOCK_IS_RAW 1
 _ACEOF
 
-	else
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-	fi
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol first_online_pgdat is exported" >&5
-$as_echo_n "checking whether symbol first_online_pgdat is exported... " >&6; }
-	grep -q -E '[[:space:]]first_online_pgdat[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(first_online_pgdat)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_FIRST_ONLINE_PGDAT 1
-_ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+fi
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_FIRST_ONLINE_PGDAT 1
-_ACEOF
+	rm -Rf build
 
-	fi
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol next_online_pgdat is exported" >&5
-$as_echo_n "checking whether symbol next_online_pgdat is exported... " >&6; }
-	grep -q -E '[[:space:]]next_online_pgdat[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(next_online_pgdat)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct rw_semaphore has member activity" >&5
+$as_echo_n "checking whether struct rw_semaphore has member activity... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ONLINE_PGDAT 1
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
 _ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ONLINE_PGDAT 1
-_ACEOF
+		#include <linux/rwsem.h>
 
-	fi
+int
+main (void)
+{
 
+		struct rw_semaphore dummy_semaphore __attribute__ ((unused));
+		dummy_semaphore.activity = 0;
 
+  ;
+  return 0;
+}
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol next_zone is exported" >&5
-$as_echo_n "checking whether symbol next_zone is exported... " >&6; }
-	grep -q -E '[[:space:]]next_zone[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(next_zone)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
+_ACEOF
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ZONE 1
-_ACEOF
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+	echo "obj-m := conftest.o" >build/Makefile
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
 
-		fi
-	else
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_NEXT_ZONE 1
+#define HAVE_RWSEM_ACTIVITY 1
 _ACEOF
 
-	fi
-
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol pgdat_list is exported" >&5
-$as_echo_n "checking whether symbol pgdat_list is exported... " >&6; }
-	grep -q -E '[[:space:]]pgdat_list[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(pgdat_list)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PGDAT_LIST 1
-_ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+fi
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PGDAT_LIST 1
-_ACEOF
+	rm -Rf build
 
-	fi
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether global_page_state() is available" >&5
-$as_echo_n "checking whether global_page_state() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether struct rw_semaphore has atomic_long_t member count" >&5
+$as_echo_n "checking whether struct rw_semaphore has atomic_long_t member count... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17620,14 +17813,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/rwsem.h>
 
 int
 main (void)
 {
 
-		unsigned long state;
-		state = global_page_state(0);
+		DECLARE_RWSEM(dummy_semaphore);
+		(void) atomic_long_read(&dummy_semaphore.count);
 
   ;
   return 0;
@@ -17636,9 +17829,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17654,7 +17849,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_GLOBAL_PAGE_STATE 1
+#define HAVE_RWSEM_ATOMIC_LONG_COUNT 1
 _ACEOF
 
 
@@ -17672,10 +17867,10 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_FREE_PAGES is available" >&5
-$as_echo_n "checking whether page state NR_FREE_PAGES is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether header linux/sched/rt.h exists" >&5
+$as_echo_n "checking whether header linux/sched/rt.h exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17686,14 +17881,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/sched.h>
+		#include <linux/sched/rt.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_FREE_PAGES;
+		return 0;
 
   ;
   return 0;
@@ -17702,9 +17897,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17716,13 +17913,13 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_FREE_PAGES 1
+#define HAVE_SCHED_RT_HEADER 1
 _ACEOF
 
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
 
 else
   $as_echo "$as_me: failed program was:" >&5
@@ -17739,9 +17936,8 @@ fi
 
 
 
-
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_INACTIVE is available" >&5
-$as_echo_n "checking whether page state NR_INACTIVE is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether header linux/sched/signal.h exists" >&5
+$as_echo_n "checking whether header linux/sched/signal.h exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17752,14 +17948,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/sched.h>
+		#include <linux/sched/signal.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_INACTIVE;
+		return 0;
 
   ;
   return 0;
@@ -17768,9 +17964,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17782,13 +17980,13 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_INACTIVE 1
+#define HAVE_SCHED_SIGNAL_HEADER 1
 _ACEOF
 
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
 
 else
   $as_echo "$as_me: failed program was:" >&5
@@ -17805,8 +18003,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_INACTIVE_ANON is available" >&5
-$as_echo_n "checking whether page state NR_INACTIVE_ANON is available... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_getattr() wants 4 args" >&5
+$as_echo_n "checking whether vfs_getattr() wants 4 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17817,14 +18016,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_INACTIVE_ANON;
+		vfs_getattr((const struct path *)NULL,
+			(struct kstat *)NULL,
+			(u32)0,
+			(unsigned int)0);
 
   ;
   return 0;
@@ -17833,9 +18034,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17851,7 +18054,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_INACTIVE_ANON 1
+#define HAVE_4ARGS_VFS_GETATTR 1
 _ACEOF
 
 
@@ -17870,8 +18073,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_INACTIVE_FILE is available" >&5
-$as_echo_n "checking whether page state NR_INACTIVE_FILE is available... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_getattr() wants 3 args" >&5
+$as_echo_n "checking whether vfs_getattr() wants 3 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17882,14 +18086,15 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_INACTIVE_FILE;
+		vfs_getattr((struct vfsmount *)NULL,
+			(struct dentry *)NULL,
+			(struct kstat *)NULL);
 
   ;
   return 0;
@@ -17898,9 +18103,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17916,7 +18123,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_INACTIVE_FILE 1
+#define HAVE_3ARGS_VFS_GETATTR 1
 _ACEOF
 
 
@@ -17936,8 +18143,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_ACTIVE is available" >&5
-$as_echo_n "checking whether page state NR_ACTIVE is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether vfs_getattr() wants 2 args" >&5
+$as_echo_n "checking whether vfs_getattr() wants 2 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17948,14 +18155,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_ACTIVE;
+		vfs_getattr((struct path *) NULL,
+			(struct kstat *)NULL);
 
   ;
   return 0;
@@ -17964,9 +18171,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -17982,7 +18191,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_ACTIVE 1
+#define HAVE_2ARGS_VFS_GETATTR 1
 _ACEOF
 
 
@@ -18001,8 +18210,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_ACTIVE_ANON is available" >&5
-$as_echo_n "checking whether page state NR_ACTIVE_ANON is available... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether usleep_range() is available" >&5
+$as_echo_n "checking whether usleep_range() is available... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18013,14 +18223,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/delay.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_ACTIVE_ANON;
+		usleep_range(0, 0);
 
   ;
   return 0;
@@ -18029,9 +18238,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18047,7 +18258,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_ACTIVE_ANON 1
+#define HAVE_USLEEP_RANGE 1
 _ACEOF
 
 
@@ -18066,8 +18277,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether page state NR_ACTIVE_FILE is available" >&5
-$as_echo_n "checking whether page state NR_ACTIVE_FILE is available... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether struct kmem_cache has allocflags" >&5
+$as_echo_n "checking whether struct kmem_cache has allocflags... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18078,14 +18290,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/mm.h>
+		#include <linux/slab.h>
 
 int
 main (void)
 {
 
-		enum zone_stat_item zsi;
-		zsi = NR_ACTIVE_FILE;
+		struct kmem_cache cachep __attribute__ ((unused));
+		cachep.allocflags = GFP_KERNEL;
 
   ;
   return 0;
@@ -18094,9 +18306,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18112,7 +18326,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_ZONE_STAT_ITEM_NR_ACTIVE_FILE 1
+#define HAVE_KMEM_CACHE_ALLOCFLAGS 1
 _ACEOF
 
 
@@ -18123,17 +18337,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
 		{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-
-
-fi
-
-	rm -Rf build
-
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether symbol get_zone_counts is needed" >&5
-$as_echo_n "checking whether symbol get_zone_counts is needed... " >&6; }
+		{ $as_echo "$as_me:$LINENO: checking whether struct kmem_cache has gfpflags" >&5
+$as_echo_n "checking whether struct kmem_cache has gfpflags... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18144,26 +18349,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
+			#include <linux/slab.h>
 
 int
 main (void)
 {
 
-		#if !defined(HAVE_ZONE_STAT_ITEM_NR_FREE_PAGES)
-		#error "global_page_state needs NR_FREE_PAGES"
-		#endif
-
-		#if !defined(HAVE_ZONE_STAT_ITEM_NR_ACTIVE) && \
-		    !defined(HAVE_ZONE_STAT_ITEM_NR_ACTIVE_ANON) && \
-		    !defined(HAVE_ZONE_STAT_ITEM_NR_ACTIVE_FILE)
-		#error "global_page_state needs NR_ACTIVE*"
-		#endif
-
-		#if !defined(HAVE_ZONE_STAT_ITEM_NR_INACTIVE) && \
-		    !defined(HAVE_ZONE_STAT_ITEM_NR_INACTIVE_ANON) && \
-		    !defined(HAVE_ZONE_STAT_ITEM_NR_INACTIVE_FILE)
-		#error "global_page_state needs NR_INACTIVE*"
-		#endif
+			struct kmem_cache cachep __attribute__ ((unused));
+			cachep.gfpflags = GFP_KERNEL;
 
   ;
   return 0;
@@ -18172,9 +18365,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18186,153 +18381,40 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define NEED_GET_ZONE_COUNTS 1
-_ACEOF
-
-
-		{ $as_echo "$as_me:$LINENO: checking whether symbol get_zone_counts is exported" >&5
-$as_echo_n "checking whether symbol get_zone_counts is exported... " >&6; }
-	grep -q -E '[[:space:]]get_zone_counts[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(get_zone_counts)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_ZONE_COUNTS 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GET_ZONE_COUNTS 1
+#define HAVE_KMEM_CACHE_GFPFLAGS 1
 _ACEOF
 
-	fi
-
-
-
-
-fi
-
-	rm -Rf build
-
-
 
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol user_path_at is exported" >&5
-$as_echo_n "checking whether symbol user_path_at is exported... " >&6; }
-	grep -q -E '[[:space:]]user_path_at[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(user_path_at)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_USER_PATH_DIR 1
-_ACEOF
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_USER_PATH_DIR 1
-_ACEOF
+fi
 
-	fi
+	rm -Rf build
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol set_fs_pwd is exported" >&5
-$as_echo_n "checking whether symbol set_fs_pwd is exported... " >&6; }
-	grep -q -E '[[:space:]]set_fs_pwd[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(set_fs_pwd)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_FS_PWD 1
-_ACEOF
+fi
 
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+	rm -Rf build
 
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_SET_FS_PWD 1
-_ACEOF
 
-	fi
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether set_fs_pwd() wants 2 args" >&5
-$as_echo_n "checking whether set_fs_pwd() wants 2 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether wait_on_bit() takes an action" >&5
+$as_echo_n "checking whether wait_on_bit() takes an action... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18343,14 +18425,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sched.h>
-		#include <linux/fs_struct.h>
+		#include <linux/wait.h>
 
 int
 main (void)
 {
 
-		set_fs_pwd(NULL, NULL);
+		int (*action)(void *) = NULL;
+		wait_on_bit(NULL, 0, action, 0);
 
   ;
   return 0;
@@ -18359,9 +18441,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18377,7 +18461,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_2ARGS_SET_FS_PWD 1
+#define HAVE_WAIT_ON_BIT_ACTION 1
 _ACEOF
 
 
@@ -18396,8 +18480,11 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether vfs_unlink() wants 2 args" >&5
-$as_echo_n "checking whether vfs_unlink() wants 2 args... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether inode_lock_shared() exists" >&5
+$as_echo_n "checking whether inode_lock_shared() exists... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18414,7 +18501,8 @@ int
 main (void)
 {
 
-		vfs_unlink(NULL, NULL);
+		struct inode *inode = NULL;
+		inode_lock_shared(inode);
 
   ;
   return 0;
@@ -18423,9 +18511,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18441,7 +18531,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_2ARGS_VFS_UNLINK 1
+#define HAVE_INODE_LOCK_SHARED 1
 _ACEOF
 
 
@@ -18459,9 +18549,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
+
 
-	{ $as_echo "$as_me:$LINENO: checking whether vfs_rename() wants 4 args" >&5
-$as_echo_n "checking whether vfs_rename() wants 4 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether group_info->gid exists" >&5
+$as_echo_n "checking whether group_info->gid exists... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18472,13 +18566,14 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/fs.h>
+		#include <linux/cred.h>
 
 int
 main (void)
 {
 
-		vfs_rename(NULL, NULL, NULL, NULL);
+		struct group_info *gi = groups_alloc(1);
+		gi->gid[0] = KGIDT_INIT(0);
 
   ;
   return 0;
@@ -18487,9 +18582,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18505,7 +18602,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_4ARGS_VFS_RENAME 1
+#define HAVE_GROUP_INFO_GID 1
 _ACEOF
 
 
@@ -18523,10 +18620,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether struct cred exists" >&5
-$as_echo_n "checking whether struct cred exists... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether kmem_cache_create_usercopy() exists" >&5
+$as_echo_n "checking whether kmem_cache_create_usercopy() exists... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Werror"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18537,14 +18637,26 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/cred.h>
+		#include <linux/slab.h>
+		static void ctor(void *foo)
+		{
+			// fake ctor
+		}
 
 int
 main (void)
 {
 
-		struct cred *cr;
-		cr  = NULL;
+		struct kmem_cache *skc_linux_cache;
+		const char *name = "test";
+		size_t size = 4096;
+		size_t align = 8;
+		unsigned long flags = 0;
+		size_t useroffset = 0;
+		size_t usersize = size - useroffset;
+
+		skc_linux_cache = kmem_cache_create_usercopy(
+			name, size, align, flags, useroffset, usersize, ctor);
 
   ;
   return 0;
@@ -18553,9 +18665,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18571,7 +18685,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_CRED_STRUCT 1
+#define HAVE_KMEM_CACHE_CREATE_USERCOPY 1
 _ACEOF
 
 
@@ -18589,92 +18703,11 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol groups_search is exported" >&5
-$as_echo_n "checking whether symbol groups_search is exported... " >&6; }
-	grep -q -E '[[:space:]]groups_search[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(groups_search)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GROUPS_SEARCH 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_GROUPS_SEARCH 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether symbol __put_task_struct is exported" >&5
-$as_echo_n "checking whether symbol __put_task_struct is exported... " >&6; }
-	grep -q -E '[[:space:]]__put_task_struct[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(__put_task_struct)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PUT_TASK_STRUCT 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_PUT_TASK_STRUCT 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether proc_handler() wants 5 args" >&5
-$as_echo_n "checking whether proc_handler() wants 5 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether wait_queue_entry_t exists" >&5
+$as_echo_n "checking whether wait_queue_entry_t exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18685,13 +18718,13 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/sysctl.h>
+		#include <linux/wait.h>
 
 int
 main (void)
 {
 
-		proc_dostring(NULL, 0, NULL, NULL, NULL);
+		wait_queue_entry_t *entry __attribute__ ((unused));
 
   ;
   return 0;
@@ -18700,9 +18733,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18718,7 +18753,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_5ARGS_PROC_HANDLER 1
+#define HAVE_WAIT_QUEUE_ENTRY_T 1
 _ACEOF
 
 
@@ -18738,49 +18773,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol kvasprintf is exported" >&5
-$as_echo_n "checking whether symbol kvasprintf is exported... " >&6; }
-	grep -q -E '[[:space:]]kvasprintf[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in ; do
-			grep -q -E "EXPORT_SYMBOL.*(kvasprintf)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KVASPRINTF 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_KVASPRINTF 1
-_ACEOF
-
-	fi
-
-
-
-	{ $as_echo "$as_me:$LINENO: checking whether file_fsync() wants 3 args" >&5
-$as_echo_n "checking whether file_fsync() wants 3 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether wq_head->head and wq_entry->entry exist" >&5
+$as_echo_n "checking whether wq_head->head and wq_entry->entry exist... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18791,13 +18785,27 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/buffer_head.h>
+		#include <linux/wait.h>
+
+		#ifdef HAVE_WAIT_QUEUE_ENTRY_T
+		typedef wait_queue_head_t	spl_wait_queue_head_t;
+		typedef wait_queue_entry_t	spl_wait_queue_entry_t;
+		#else
+		typedef wait_queue_head_t	spl_wait_queue_head_t;
+		typedef wait_queue_t		spl_wait_queue_entry_t;
+		#endif
 
 int
 main (void)
 {
 
-		file_fsync(NULL, NULL, 0);
+		spl_wait_queue_head_t wq_head;
+		spl_wait_queue_entry_t wq_entry;
+		struct list_head *head __attribute__ ((unused));
+		struct list_head *entry __attribute__ ((unused));
+
+		head = &wq_head.head;
+		entry = &wq_entry.entry;
 
   ;
   return 0;
@@ -18806,9 +18814,11 @@ main (void)
 _ACEOF
 
 
-	rm -Rf build && mkdir -p build
+	rm -Rf build && mkdir -p build && touch build/conftest.mod.c
 	echo "obj-m := conftest.o" >build/Makefile
-	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+	modpost_flag=''
+	test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -18824,7 +18834,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_3ARGS_FILE_FSYNC 1
+#define HAVE_WAIT_QUEUE_HEAD_ENTRY 1
 _ACEOF
 
 
@@ -18844,76 +18854,19 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol rwsem_is_locked is exported" >&5
-$as_echo_n "checking whether symbol rwsem_is_locked is exported... " >&6; }
-	grep -q -E '[[:space:]]rwsem_is_locked[[:space:]]' \
-		$LINUX_OBJ/Module*.symvers 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
-		for file in lib/rwsem-spinlock.c; do
-			grep -q -E "EXPORT_SYMBOL.*(rwsem_is_locked)" \
-				"$LINUX_OBJ/$file" 2>/dev/null
-			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
-		done
-		if test $export -eq 0; then
-			{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-
-		else
-			{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
-_ACEOF
-
-		fi
-	else
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-
-cat >>confdefs.h <<\_ACEOF
-#define RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
-_ACEOF
-
-	fi
-
-
-
-
-
-	if test "x$AWK" != xgawk; then
-
-                { { $as_echo "$as_me:$LINENO: error:
-	*** Required util gawk missing.  Please install the required
-	*** gawk package for your distribution and try again." >&5
-$as_echo "$as_me: error:
-	*** Required util gawk missing.  Please install the required
-	*** gawk package for your distribution and try again." >&2;}
-   { (exit 1); exit 1; }; }
-
-fi
-
-
-   ;;
+		           ;;
 		srpm)                        ;;
-                *)
-                { $as_echo "$as_me:$LINENO: result: Error!" >&5
+		*)
+		{ $as_echo "$as_me:$LINENO: result: Error!" >&5
 $as_echo "Error!" >&6; }
-                { { $as_echo "$as_me:$LINENO: error: Bad value \"$SPL_CONFIG\" for --with-config,
-                              user kernel|user|all|srpm" >&5
+		{ { $as_echo "$as_me:$LINENO: error: Bad value \"$SPL_CONFIG\" for --with-config,
+		             user kernel|user|all|srpm" >&5
 $as_echo "$as_me: error: Bad value \"$SPL_CONFIG\" for --with-config,
-                              user kernel|user|all|srpm" >&2;}
+		             user kernel|user|all|srpm" >&2;}
    { (exit 1); exit 1; }; } ;;
-        esac
+	esac
 
-         if test "$SPL_CONFIG" = user ||
-                       test "$SPL_CONFIG" = all; then
+	 if test "$SPL_CONFIG" = user -o "$SPL_CONFIG" = all; then
   CONFIG_USER_TRUE=
   CONFIG_USER_FALSE='#'
 else
@@ -18921,8 +18874,8 @@ else
   CONFIG_USER_FALSE=
 fi
 
-         if test "$SPL_CONFIG" = kernel ||
-                       test "$SPL_CONFIG" = all; then
+	 if test "$SPL_CONFIG" = kernel -o "$SPL_CONFIG" = all &&
+	               test "x$enable_linux_builtin" != xyes ; then
   CONFIG_KERNEL_TRUE=
   CONFIG_KERNEL_FALSE='#'
 else
@@ -18932,7 +18885,7 @@ fi
 
 
 
-ac_config_files="$ac_config_files Makefile lib/Makefile cmd/Makefile module/Makefile module/spl/Makefile module/splat/Makefile include/Makefile scripts/Makefile spl.spec spl-modules.spec"
+ac_config_files="$ac_config_files Makefile man/Makefile man/man1/Makefile man/man5/Makefile lib/Makefile cmd/Makefile cmd/splat/Makefile cmd/splslab/Makefile module/Makefile module/spl/Makefile module/splat/Makefile include/Makefile include/fs/Makefile include/linux/Makefile include/rpc/Makefile include/sharefs/Makefile include/sys/Makefile include/sys/fm/Makefile include/sys/fs/Makefile include/sys/sysevent/Makefile include/util/Makefile include/vm/Makefile scripts/Makefile rpm/Makefile rpm/redhat/Makefile rpm/redhat/spl.spec rpm/redhat/spl-kmod.spec rpm/redhat/spl-dkms.spec rpm/generic/Makefile rpm/generic/spl.spec rpm/generic/spl-kmod.spec rpm/generic/spl-dkms.spec spl.release"
 
 
 cat >confcache <<\_ACEOF
@@ -19397,7 +19350,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by $as_me, which was
+This file was extended by spl $as_me 0.7.2, which was
 generated by GNU Autoconf 2.63.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -19460,7 +19413,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
-config.status
+spl config.status 0.7.2
 configured by $0, generated by GNU Autoconf 2.63,
   with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
@@ -19842,15 +19795,38 @@ do
     "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
     "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "man/Makefile") CONFIG_FILES="$CONFIG_FILES man/Makefile" ;;
+    "man/man1/Makefile") CONFIG_FILES="$CONFIG_FILES man/man1/Makefile" ;;
+    "man/man5/Makefile") CONFIG_FILES="$CONFIG_FILES man/man5/Makefile" ;;
     "lib/Makefile") CONFIG_FILES="$CONFIG_FILES lib/Makefile" ;;
     "cmd/Makefile") CONFIG_FILES="$CONFIG_FILES cmd/Makefile" ;;
+    "cmd/splat/Makefile") CONFIG_FILES="$CONFIG_FILES cmd/splat/Makefile" ;;
+    "cmd/splslab/Makefile") CONFIG_FILES="$CONFIG_FILES cmd/splslab/Makefile" ;;
     "module/Makefile") CONFIG_FILES="$CONFIG_FILES module/Makefile" ;;
     "module/spl/Makefile") CONFIG_FILES="$CONFIG_FILES module/spl/Makefile" ;;
     "module/splat/Makefile") CONFIG_FILES="$CONFIG_FILES module/splat/Makefile" ;;
     "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
+    "include/fs/Makefile") CONFIG_FILES="$CONFIG_FILES include/fs/Makefile" ;;
+    "include/linux/Makefile") CONFIG_FILES="$CONFIG_FILES include/linux/Makefile" ;;
+    "include/rpc/Makefile") CONFIG_FILES="$CONFIG_FILES include/rpc/Makefile" ;;
+    "include/sharefs/Makefile") CONFIG_FILES="$CONFIG_FILES include/sharefs/Makefile" ;;
+    "include/sys/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/Makefile" ;;
+    "include/sys/fm/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fm/Makefile" ;;
+    "include/sys/fs/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fs/Makefile" ;;
+    "include/sys/sysevent/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/sysevent/Makefile" ;;
+    "include/util/Makefile") CONFIG_FILES="$CONFIG_FILES include/util/Makefile" ;;
+    "include/vm/Makefile") CONFIG_FILES="$CONFIG_FILES include/vm/Makefile" ;;
     "scripts/Makefile") CONFIG_FILES="$CONFIG_FILES scripts/Makefile" ;;
-    "spl.spec") CONFIG_FILES="$CONFIG_FILES spl.spec" ;;
-    "spl-modules.spec") CONFIG_FILES="$CONFIG_FILES spl-modules.spec" ;;
+    "rpm/Makefile") CONFIG_FILES="$CONFIG_FILES rpm/Makefile" ;;
+    "rpm/redhat/Makefile") CONFIG_FILES="$CONFIG_FILES rpm/redhat/Makefile" ;;
+    "rpm/redhat/spl.spec") CONFIG_FILES="$CONFIG_FILES rpm/redhat/spl.spec" ;;
+    "rpm/redhat/spl-kmod.spec") CONFIG_FILES="$CONFIG_FILES rpm/redhat/spl-kmod.spec" ;;
+    "rpm/redhat/spl-dkms.spec") CONFIG_FILES="$CONFIG_FILES rpm/redhat/spl-dkms.spec" ;;
+    "rpm/generic/Makefile") CONFIG_FILES="$CONFIG_FILES rpm/generic/Makefile" ;;
+    "rpm/generic/spl.spec") CONFIG_FILES="$CONFIG_FILES rpm/generic/spl.spec" ;;
+    "rpm/generic/spl-kmod.spec") CONFIG_FILES="$CONFIG_FILES rpm/generic/spl-kmod.spec" ;;
+    "rpm/generic/spl-dkms.spec") CONFIG_FILES="$CONFIG_FILES rpm/generic/spl-dkms.spec" ;;
+    "spl.release") CONFIG_FILES="$CONFIG_FILES spl.release" ;;
 
   *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
 $as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}