config/kernel-totalram-pages-func.m4

   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_SRC_TOTALRAM_PAGES_FUNC], [
   6         ZFS_LINUX_TEST_SRC([totalram_pages], [
   7                 #include <linux/mm.h>
   8         ],[
   9                 unsigned long pages __attribute__ ((unused));
  10                 pages = totalram_pages();
  11         ])
  12 ])
  13
  14 AC_DEFUN([ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC], [
  15         AC_MSG_CHECKING([whether totalram_pages() exists])
  16         ZFS_LINUX_TEST_RESULT([totalram_pages], [
  17                 AC_MSG_RESULT(yes)
  18                 AC_DEFINE(HAVE_TOTALRAM_PAGES_FUNC, 1,
  19                     [kernel has totalram_pages()])
  20         ],[
  21                 AC_MSG_RESULT(no)
  22         ])
  23 ])