+ 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:]]__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 :
+ 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_PUT_TASK_STRUCT 1
+_ACEOF
+
+
+ fi
+ 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; }
+
+
+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/sysctl.h>
+
+int
+main (void)
+{
+
+ proc_dostring(NULL, 0, NULL, NULL, 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
+
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_5ARGS_PROC_HANDLER 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
+
+ rm -Rf build
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether kvasprintf() is available" >&5
+$as_echo_n "checking whether kvasprintf() 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/kernel.h>
+
+int
+main (void)
+{
+
+ kvasprintf(0, NULL, *((va_list*)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
+ rc=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+ rm -Rf build
+
+
+ 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:]]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 :
+ 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_KVASPRINTF 1
+_ACEOF
+
+
+ fi
+ fi
+
+
+ { $as_echo "$as_me:$LINENO: checking whether rwsem_is_locked() acquires sem->wait_lock" >&5
+$as_echo_n "checking whether rwsem_is_locked() acquires sem->wait_lock... " >&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/rwsem.h>
+ int rwsem_is_locked(struct rw_semaphore *sem) { return 0; }
+
+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
+ rc=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+ rm -Rf build
+
+
+ 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:]]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 :
+ 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 RWSEM_IS_LOCKED_TAKES_WAIT_LOCK 1
+_ACEOF
+
+
+ fi
+ fi
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether invalidate_inodes() is available" >&5
+$as_echo_n "checking whether invalidate_inodes() 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/fs.h>
+
+int
+main (void)
+{
+
+ invalidate_inodes;
+
+ ;
+ 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
+ rc=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+ rm -Rf build
+
+
+ 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:]]invalidate_inodes[[:space:]]' \
+ $LINUX_OBJ/Module*.symvers 2>/dev/null
+ rc=$?
+ if test $rc -ne 0; then
+ export=0
+ for file in ; do
+ grep -q -E "EXPORT_SYMBOL.*(invalidate_inodes)" \
+ "$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_INVALIDATE_INODES 1
+_ACEOF
+
+
+ fi
+ fi
+
+
+ { $as_echo "$as_me:$LINENO: checking whether invalidate_inodes_check() is available" >&5
+$as_echo_n "checking whether invalidate_inodes_check() 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/fs.h>
+
+int
+main (void)
+{
+
+ invalidate_inodes_check(NULL, 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
+ rc=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+ rm -Rf build
+
+
+ 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:]]invalidate_inodes_check[[:space:]]' \
+ $LINUX_OBJ/Module*.symvers 2>/dev/null
+ rc=$?
+ if test $rc -ne 0; then
+ export=0
+ for file in ; do
+ grep -q -E "EXPORT_SYMBOL.*(invalidate_inodes_check)" \
+ "$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_INVALIDATE_INODES_CHECK 1
+_ACEOF
+
+
+ fi
+ fi
+
+
+ { $as_echo "$as_me:$LINENO: checking whether invalidate_inodes() wants 2 args" >&5
+$as_echo_n "checking whether invalidate_inodes() 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)
+{
+
+ return __invalidate_device(NULL, 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:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_2ARGS_INVALIDATE_INODES 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
+
+ rm -Rf build
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether shrink_dcache_memory() is available" >&5
+$as_echo_n "checking whether shrink_dcache_memory() 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/dcache.h>
+
+int
+main (void)
+{
+
+ shrink_dcache_memory(0, 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
+ rc=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+ rm -Rf build
+
+
+ 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:]]shrink_dcache_memory[[:space:]]' \
+ $LINUX_OBJ/Module*.symvers 2>/dev/null
+ rc=$?
+ if test $rc -ne 0; then
+ export=0
+ for file in fs/dcache.c; do
+ grep -q -E "EXPORT_SYMBOL.*(shrink_dcache_memory)" \
+ "$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_SHRINK_DCACHE_MEMORY 1
+_ACEOF
+
+
+ fi
+ fi
+
+
+ { $as_echo "$as_me:$LINENO: checking whether shrink_icache_memory() is available" >&5
+$as_echo_n "checking whether shrink_icache_memory() 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/dcache.h>
+
+int
+main (void)
+{
+
+ shrink_icache_memory(0, 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
+ rc=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+ rm -Rf build
+
+
+ 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:]]shrink_icache_memory[[:space:]]' \
+ $LINUX_OBJ/Module*.symvers 2>/dev/null
+ rc=$?
+ if test $rc -ne 0; then
+ export=0
+ for file in fs/inode.c; do
+ grep -q -E "EXPORT_SYMBOL.*(shrink_icache_memory)" \
+ "$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_SHRINK_ICACHE_MEMORY 1
+_ACEOF
+
+
+ fi
+ fi
+
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether symbol kern_path_parent exists in header" >&5
+$as_echo_n "checking whether symbol kern_path_parent exists in header... " >&6; }
+ header=0
+ for file in include/linux/namei.h; do
+ grep -q "int kern_path_parent(const char \*, struct nameidata \*)" "$LINUX/$file" 2>/dev/null
+ rc=$?
+ if test $rc -eq 0; then
+ header=1
+ break;
+ fi
+ done
+ if test $header -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_KERN_PATH_PARENT_HEADER 1
+_ACEOF
+
+ fi
+
+
+ { $as_echo "$as_me:$LINENO: checking whether kern_path_parent() is available" >&5
+$as_echo_n "checking whether kern_path_parent() 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/namei.h>
+
+int
+main (void)
+{
+
+ kern_path_parent(NULL, 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
+ rc=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+ rc=1
+
+
+fi
+
+ rm -Rf build
+
+
+ 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:]]kern_path_parent[[:space:]]' \
+ $LINUX_OBJ/Module*.symvers 2>/dev/null
+ rc=$?
+ if test $rc -ne 0; then
+ export=0
+ for file in fs/namei.c; do
+ grep -q -E "EXPORT_SYMBOL.*(kern_path_parent)" \
+ "$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_KERN_PATH_PARENT_SYMBOL 1
+_ACEOF
+
+
+ fi
+ fi
+
+
+ { $as_echo "$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
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <linux/zlib.h>
+
+int
+main (void)
+{
+
+ return zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL);
+
+ ;
+ 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_ZLIB_DEFLATE_WORKSPACESIZE 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
+
+ rm -Rf build
+
+
+
+
+ { $as_echo "$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
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <linux/mm.h>
+
+int
+main (void)
+{
+
+ struct shrink_control sc __attribute__ ((unused));
+
+ sc.nr_to_scan = 0;
+ sc.gfp_mask = GFP_KERNEL;
+
+ ;
+ 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_SHRINK_CONTROL_STRUCT 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
+
+ rm -Rf build
+
+
+
+
+ { $as_echo "$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="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Werror"
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <linux/rwsem.h>
+
+int
+main (void)
+{
+
+ struct rw_semaphore dummy_semaphore __attribute__ ((unused));
+ raw_spinlock_t dummy_lock __attribute__ ((unused));
+ dummy_semaphore.wait_lock = dummy_lock;
+
+ ;
+ return 0;
+}
+
+_ACEOF
+
+
+ rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+ echo "obj-m := conftest.o" >build/Makefile
+ modpost_flag=''
+ test "x$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 RWSEM_SPINLOCK_IS_RAW 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
+
+ rm -Rf build
+
+
+ EXTRA_KCFLAGS="$tmp_flags"
+
+
+ { $as_echo "$as_me:$LINENO: checking whether pmd_alloc_with_mask exists" >&5
+$as_echo_n "checking whether pmd_alloc_with_mask 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. */
+
+
+ #if !defined(CONFIG_MMU)
+ #define CONFIG_MMU
+ #endif
+
+ #if defined(RCH_HAS_4LEVEL_HACK)
+ #undef RCH_HAS_4LEVEL_HACK
+ #endif
+
+ #include <linux/mm.h>
+
+int
+main (void)
+{
+
+ struct mm_struct init_mm;
+ pud_t *pud = NULL;
+ unsigned long addr = 0;
+ gfp_t gfp_mask = GFP_KERNEL;
+
+ pmd_alloc_with_mask(&init_mm, pud, addr, gfp_mask);
+
+ ;
+ 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_PMD_ALLOC_WITH_MASK 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
+
+ rm -Rf build
+
+
+
+ ;;
+ user) ;;
+ all)
+
+
+# Check whether --with-linux was given.
+if test "${with_linux+set}" = set; then
+ withval=$with_linux; kernelsrc="$withval"
+fi
+
+
+
+# Check whether --with-linux-obj was given.
+if test "${with_linux_obj+set}" = set; then
+ withval=$with_linux_obj; kernelbuild="$withval"
+fi
+
+
+ { $as_echo "$as_me:$LINENO: checking kernel source directory" >&5
+$as_echo_n "checking kernel source directory... " >&6; }
+ if test -z "$kernelsrc"; then
+ if test -e "/lib/modules/$(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-* \
+ 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 "$as_me: error:
+ *** Please make sure the kernel devel package for your distribution
+ *** is installed then try again. If that fails you can specify the
+ *** location of the kernel source with the '--with-linux=PATH' option." >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+ else
+ if test "$kernelsrc" = "NONE"; then
+ kernsrcver=NONE
+ fi
+ fi
+
+ { $as_echo "$as_me:$LINENO: result: $kernelsrc" >&5
+$as_echo "$kernelsrc" >&6; }
+ { $as_echo "$as_me:$LINENO: checking kernel build directory" >&5
+$as_echo_n "checking kernel build directory... " >&6; }
+ if test -z "$kernelbuild"; then
+ if test -e "/lib/modules/$(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
+ elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then
+ kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu}
+ else
+ kernelbuild=${kernelsrc}
+ fi
+ fi
+ { $as_echo "$as_me:$LINENO: result: $kernelbuild" >&5
+$as_echo "$kernelbuild" >&6; }
+
+ { $as_echo "$as_me:$LINENO: checking kernel source version" >&5
+$as_echo_n "checking kernel source version... " >&6; }
+ utsrelease1=$kernelbuild/include/linux/version.h
+ utsrelease2=$kernelbuild/include/linux/utsrelease.h
+ utsrelease3=$kernelbuild/include/generated/utsrelease.h
+ if test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1; then
+ utsrelease=linux/version.h
+ elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then
+ utsrelease=linux/utsrelease.h
+ elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then
+ utsrelease=generated/utsrelease.h
+ fi
+
+ if test "$utsrelease"; then
+ kernsrcver=`(echo "#include <$utsrelease>";
+ echo "kernsrcver=UTS_RELEASE") |
+ cpp -I $kernelbuild/include |
+ grep "^kernsrcver=" | cut -d \" -f 2`
+
+ if test -z "$kernsrcver"; then
+ { $as_echo "$as_me:$LINENO: result: Not found" >&5
+$as_echo "Not found" >&6; }
+ { { $as_echo "$as_me:$LINENO: error: *** Cannot determine kernel version." >&5
+$as_echo "$as_me: error: *** Cannot determine kernel version." >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+ else
+ { $as_echo "$as_me:$LINENO: result: Not found" >&5
+$as_echo "Not found" >&6; }
+ 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: $kernsrcver" >&5
+$as_echo "$kernsrcver" >&6; }
+
+ LINUX=${kernelsrc}
+ LINUX_OBJ=${kernelbuild}
+ LINUX_VERSION=${kernsrcver}
+
+
+
+
+
+
+ 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 "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:$LINENO: error:
+ *** Please make sure the kernel devel package for your distribution
+ *** is installed. If your building with a custom kernel make sure the
+ *** kernel is configured, built, and the '--with-linux=PATH' configure
+ *** option refers to the location of the kernel source." >&5
+$as_echo "$as_me: error:
+ *** Please make sure the kernel devel package for your distribution
+ *** is installed. If your 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
+ { $as_echo "$as_me:$LINENO: result: $LINUX_SYMBOLS" >&5
+$as_echo "$LINUX_SYMBOLS" >&6; }
+
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether Linux was built with CONFIG_PREEMPT" >&5
+$as_echo_n "checking whether Linux was built with CONFIG_PREEMPT... " >&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/module.h>
+
+int
+main (void)
+{
+
+ #ifndef CONFIG_PREEMPT
+ #error CONFIG_PREEMPT not #defined
+ #endif
+
+ ;
+ 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; }
+ { { $as_echo "$as_me:$LINENO: error:
+ *** Kernel built with CONFIG_PREEMPT which is not supported.
+ ** You must rebuild your kernel without this option." >&5
+$as_echo "$as_me: error:
+ *** Kernel built with CONFIG_PREEMPT which is not supported.
+ ** You must rebuild your kernel without this option." >&2;}
+ { (exit 1); exit 1; }; }
+
+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
+
+
+
+
+
+ if test "${LINUX_OBJ}" != "${LINUX}"; then
+ KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"
+ fi
+
+
+ KERNELCPPFLAGS="$KERNELCPPFLAGS -Wstrict-prototypes"
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether debugging is enabled" >&5
+$as_echo_n "checking whether debugging is enabled... " >&6; }
+ # Check whether --enable-debug was given.
+if test "${enable_debug+set}" = set; then
+ enableval=$enable_debug;
+else
+ enable_debug=no
+fi
+
+
+ if test "x$enable_debug" = xyes; then
+
+ KERNELCPPFLAGS="${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 "$enable_debug" >&6; }
+
+
+ # Check whether --enable-debug-log was given.
+if test "${enable_debug_log+set}" = set; then
+ enableval=$enable_debug_log;
+else
+ enable_debug_log=yes
+fi
+
+
+ if test "x$enable_debug_log" = xyes; then
+
+ KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_LOG"
+ DEBUG_LOG="_with_debug_log"
+
+cat >>confdefs.h <<\_ACEOF
+#define DEBUG_LOG 1
+_ACEOF
+
+
+else
+
+ DEBUG_LOG="_without_debug_log"
+
+fi
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether basic debug logging is enabled" >&5
+$as_echo_n "checking whether basic debug logging is enabled... " >&6; }
+ { $as_echo "$as_me:$LINENO: result: $enable_debug_log" >&5
+$as_echo "$enable_debug_log" >&6; }
+
+
+ # Check whether --enable-debug-kmem was given.
+if test "${enable_debug_kmem+set}" = set; then
+ enableval=$enable_debug_kmem;
+else
+ enable_debug_kmem=yes
+fi
+
+
+ if test "x$enable_debug_kmem" = xyes; then
+
+ KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM"
+ DEBUG_KMEM="_with_debug_kmem"
+
+cat >>confdefs.h <<\_ACEOF
+#define DEBUG_KMEM 1
+_ACEOF
+
+
+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: $enable_debug_kmem" >&5
+$as_echo "$enable_debug_kmem" >&6; }
+
+
+ # Check whether --enable-debug-kmem-tracking was given.
+if test "${enable_debug_kmem_tracking+set}" = set; then
+ enableval=$enable_debug_kmem_tracking;
+else
+ enable_debug_kmem_tracking=no
+fi
+
+
+ if test "x$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
+
+
+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 "$as_me: error:
+ *** Unable to build an empty module.
+ *** Please run 'make scripts' inside the kernel source tree." >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+
+
+
+fi
+
+ rm -Rf build
+
+
+
+
+ # Check whether --enable-atomic-spinlocks was given.
+if test "${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.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <asm/atomic.h>
+
+int
+main (void)
+{
+
+ atomic64_t *ptr __attribute__ ((unused));
+
+ ;
+ return 0;
+}
+
+_ACEOF
+
+
+ rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+ echo "obj-m := conftest.o" >build/Makefile
+ modpost_flag=''
+ test "x$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
+_ACEOF
+
+
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ have_atomic64_t=no
+
+
+
+fi
+
+ rm -Rf build
+
+
+
+ if test "x$enable_atomic_spinlocks" = xcheck; then
+
+ if test "x$have_atomic64_t" = xyes; then
+
+ enable_atomic_spinlocks=no
+
+else
+
+ enable_atomic_spinlocks=yes
+
+fi
+
+
+fi
+
+
+ if test "x$enable_atomic_spinlocks" = xyes; then
+
+
+cat >>confdefs.h <<\_ACEOF
+#define ATOMIC_SPINLOCK 1
+_ACEOF
+
+
+else
+
+ if test "x$have_atomic64_t" = xno; then
+
+ { { $as_echo "$as_me:$LINENO: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { $as_echo "$as_me:$LINENO: error: --disable-atomic-spinlocks given but required atomic64 support is unavailable
+See \`config.log' for more details." >&5
+$as_echo "$as_me: error: --disable-atomic-spinlocks given but required atomic64 support is unavailable
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }; }
+
+fi
+
+
+fi
+
+
+ { $as_echo "$as_me:$LINENO: checking whether atomic types use spinlocks" >&5
+$as_echo_n "checking whether atomic types use spinlocks... " >&6; }
+ { $as_echo "$as_me:$LINENO: result: $enable_atomic_spinlocks" >&5
+$as_echo "$enable_atomic_spinlocks" >&6; }
+
+ { $as_echo "$as_me:$LINENO: checking whether kernel defines atomic64_t" >&5
+$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; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <asm/atomic.h>
+ #include <asm/system.h>
+
+int
+main (void)
+{
+
+ atomic64_cmpxchg((atomic64_t *)NULL, 0, 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:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ATOMIC64_CMPXCHG 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
+
+ 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; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <asm/atomic.h>
+
+int
+main (void)
+{
+
+ atomic64_xchg((atomic64_t *)NULL, 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:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ATOMIC64_XCHG 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
+
+ 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; }
+
+
+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/types.h>
+
+int
+main (void)
+{
+
+ uintptr_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
+
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_UINTPTR_T 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
+
+ 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; }
+
+
+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/workqueue.h>
+
+int
+main (void)
+{
+
+ struct work_struct work __attribute__ ((unused));
+ INIT_WORK(&work, NULL, 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
+
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_3ARGS_INIT_WORK 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
+
+ rm -Rf build
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether register_sysctl_table() wants 2 args" >&5
+$as_echo_n "checking whether register_sysctl_table() wants 2 args... " >&6; }
+
+
+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/sysctl.h>
+
+int
+main (void)
+{
+
+ (void) register_sysctl_table(NULL, 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:$LINENO: result: yes" >&5
+$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; }
+
+
+
+fi
+
+ rm -Rf build
+
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether set_shrinker() available" >&5
+$as_echo_n "checking whether set_shrinker() 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/mm.h>
+
+int
+main (void)
+{
+
+ return set_shrinker(DEFAULT_SEEKS, 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
+
+ { $as_echo "$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; }
+
+
+
+fi
+
+ rm -Rf build
+
+
+
+ { $as_echo "$as_me:$LINENO: checking whether shrinker callback wants 3 args" >&5
+$as_echo_n "checking whether shrinker callback wants 3 args... " >&6; }
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Werror"
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <linux/mm.h>
+
+ int shrinker_cb(struct shrinker *, int, unsigned int);
+
+int
+main (void)
+{
+
+ struct shrinker cache_shrinker = {
+ .shrink = shrinker_cb,
+ .seeks = DEFAULT_SEEKS,
+ };
+ register_shrinker(&cache_shrinker);
+
+ ;
+ return 0;
+}
+
+_ACEOF
+
+
+ rm -Rf build && mkdir -p build && touch build/conftest.mod.c
+ echo "obj-m := conftest.o" >build/Makefile
+ modpost_flag=''
+ test "x$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_3ARGS_SHRINKER_CALLBACK 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
+
+ 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
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+
+ #include <linux/namei.h>
+
+int
+main (void)
+{
+
+ struct nameidata nd __attribute__ ((unused));
+
+ nd.path.mnt = NULL;
+ nd.path.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
+
+ { $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_PATH_IN_NAMEIDATA 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; }
+