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Diffstat (limited to 'config/kernel-totalhigh_pages.m4')
| -rw-r--r-- | config/kernel-totalhigh_pages.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/config/kernel-totalhigh_pages.m4 b/config/kernel-totalhigh_pages.m4 new file mode 100644 index 000000000..b22e86d4d --- /dev/null +++ b/config/kernel-totalhigh_pages.m4 @@ -0,0 +1,19 @@ +dnl # +dnl # 5.0 API change +dnl # +dnl # ca79b0c211af mm: convert totalram_pages and totalhigh_pages variables to atomic +dnl # +AC_DEFUN([ZFS_AC_KERNEL_TOTALHIGH_PAGES], [ + AC_MSG_CHECKING([whether totalhigh_pages() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/highmem.h> + ],[ + unsigned long pages __attribute__ ((unused)); + pages = totalhigh_pages(); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_TOTALHIGH_PAGES, 1, [totalhigh_pages() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |