zfs-builds-mm/zfs-2.0.0-rc4/config/kernel-totalram-pages-func.m4
2020-10-22 14:20:35 +02:00

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Text

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_SRC_TOTALRAM_PAGES_FUNC], [
ZFS_LINUX_TEST_SRC([totalram_pages], [
#include <linux/mm.h>
],[
unsigned long pages __attribute__ ((unused));
pages = totalram_pages();
])
])
AC_DEFUN([ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC], [
AC_MSG_CHECKING([whether totalram_pages() exists])
ZFS_LINUX_TEST_RESULT([totalram_pages], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_TOTALRAM_PAGES_FUNC, 1,
[kernel has totalram_pages()])
],[
AC_MSG_RESULT(no)
])
])