1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 08be91e6cecf..4833abd4458b 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -47,7 +47,8 @@ struct zone_padding {
 #endif
 
 enum zone_stat_item {
-        NR_FILE_MAPPED, /* mapped into pagetables.
+        NR_ANON_PAGES,  /* Mapped anonymous pages */
+        NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
                            only modified from process context */
         NR_FILE_PAGES,
         NR_VM_ZONE_STAT_ITEMS };