UBUNTU: SAUCE: (noup) Update spl to 0.7.3-1ubuntu1, zfs to 0.7.3-1ubuntu1

[mirror_ubuntu-bionic-kernel.git] / zfs / config / kernel-vm_node_stat.m4

diff --git a/zfs/config/kernel-vm_node_stat.m4 b/zfs/config/kernel-vm_node_stat.m4
new file mode 100644 (file)
index 0000000..e1c42f8
--- /dev/null
+++ b/zfs/config/kernel-vm_node_stat.m4
@@ -0,0 +1,22 @@
+dnl #
+dnl # 4.8 API change
+dnl # kernel vm counters change
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_VM_NODE_STAT], [
+       AC_MSG_CHECKING([whether to use vm_node_stat based fn's])
+       ZFS_LINUX_TRY_COMPILE([
+               #include <linux/mm.h>
+               #include <linux/vmstat.h>
+        ],[
+                       int a __attribute__ ((unused)) = NR_VM_NODE_STAT_ITEMS;
+                       long x __attribute__ ((unused)) =
+                               atomic_long_read(&vm_node_stat[0]);
+                       (void) global_node_page_state(0);
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(ZFS_GLOBAL_NODE_PAGE_STATE, 1,
+                       [using global_node_page_state()])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+])