From 031cea17a3db1dae3b6968a8c71bcfb678a03235 Mon Sep 17 00:00:00 2001 From: Tony Hutter Date: Thu, 10 Jan 2019 14:28:10 -0800 Subject: Linux 5.0 compat: Use totalram_pages() totalram_pages() was converted to an atomic variable in 5.0: https://patchwork.kernel.org/patch/10652795/ Its value should now be read though the totalram_pages() helper function. Reviewed-by: Brian Behlendorf Signed-off-by: Tony Hutter Closes #8263 --- config/kernel-totalram-pages-func.m4 | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 config/kernel-totalram-pages-func.m4 (limited to 'config/kernel-totalram-pages-func.m4') diff --git a/config/kernel-totalram-pages-func.m4 b/config/kernel-totalram-pages-func.m4 new file mode 100644 index 000000000..a6eac6454 --- /dev/null +++ b/config/kernel-totalram-pages-func.m4 @@ -0,0 +1,18 @@ +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 + ],[ + 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) + ]) +]) -- cgit v1.2.3