[mirror_zfs.git] / config / kernel-totalram-pages-func.m4

dnl #
dnl # Linux 5.0: totalram_pages is no longer a global variable, and must be
dnl # read via the totalram_pages() helper function.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC], [
	AC_MSG_CHECKING([whether totalram_pages() exists])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/mm.h>
	],[
		unsigned long pages __attribute__ ((unused));
		pages = totalram_pages();
	],[
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_TOTALRAM_PAGES_FUNC, 1, [kernel has totalram_pages()])
	],[
		AC_MSG_RESULT(no)
	])
])
Commit	Line	Data
031cea17 TH	1	dnl #
	2	dnl # Linux 5.0: totalram_pages is no longer a global variable, and must be
	3	dnl # read via the totalram_pages() helper function.
	4	dnl #
	5	AC_DEFUN([ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC], [
	6	AC_MSG_CHECKING([whether totalram_pages() exists])
	7	ZFS_LINUX_TRY_COMPILE([
	8	#include <linux/mm.h>
	9	],[
	10	unsigned long pages __attribute__ ((unused));
	11	pages = totalram_pages();
	12	],[
	13	AC_MSG_RESULT(yes)
	14	AC_DEFINE(HAVE_TOTALRAM_PAGES_FUNC, 1, [kernel has totalram_pages()])
	15	],[
	16	AC_MSG_RESULT(no)
	17	])
	18	])