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-rw-r--r--include/linux/mmzone.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 543f9e411563..eb42c1277023 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -47,6 +47,9 @@ struct zone_padding {
#endif
enum zone_stat_item {
+ NR_FILE_MAPPED, /* mapped into pagetables.
+ only modified from process context */
+
NR_VM_ZONE_STAT_ITEMS };
struct per_cpu_pages {