1AC_DEFUN([ZFS_AC_KERNEL_SRC_MM_PAGE_SIZE], [
2	ZFS_LINUX_TEST_SRC([page_size], [
3		#include <linux/mm.h>
4	],[
5		unsigned long s;
6		s = page_size(NULL);
7	])
8])
9AC_DEFUN([ZFS_AC_KERNEL_MM_PAGE_SIZE], [
10	AC_MSG_CHECKING([whether page_size() is available])
11	ZFS_LINUX_TEST_RESULT([page_size], [
12		AC_MSG_RESULT(yes)
13		AC_DEFINE(HAVE_MM_PAGE_SIZE, 1, [page_size() is available])
14	],[
15		AC_MSG_RESULT(no)
16	])
17])
18