[mirror_zfs-debian.git] / config / kernel-kmap-atomic-args.m4

dnl #
dnl # 2.6.37 API change
dnl # kmap_atomic changed from assigning hard-coded named slot to using
dnl # push/pop based dynamical allocation.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS], [
	AC_MSG_CHECKING([whether kmap_atomic wants 1 args])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/pagemap.h>
	],[
		struct page page;
		kmap_atomic(&page);
	],[
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_1ARG_KMAP_ATOMIC, 1,
		          [kmap_atomic wants 1 args])
	],[
		AC_MSG_RESULT(no)
	])
])
Commit	Line	Data
23d56208 AX	1	dnl #
	2	dnl # 2.6.37 API change
	3	dnl # kmap_atomic changed from assigning hard-coded named slot to using
	4	dnl # push/pop based dynamical allocation.
	5	dnl #
	6	AC_DEFUN([ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS], [
	7	AC_MSG_CHECKING([whether kmap_atomic wants 1 args])
	8	ZFS_LINUX_TRY_COMPILE([
	9	#include <linux/pagemap.h>
	10	],[
	11	struct page page;
	12	kmap_atomic(&page);
	13	],[
	14	AC_MSG_RESULT(yes)
	15	AC_DEFINE(HAVE_1ARG_KMAP_ATOMIC, 1,
	16	[kmap_atomic wants 1 args])
	17	],[
	18	AC_MSG_RESULT(no)
	19	])
	20	])