1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 58334d439516..ff5179f2b153 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -159,6 +159,16 @@ static inline unsigned long zone_page_state(struct zone *zone,
         return x;
 }
 
+extern unsigned long global_lru_pages(void);
+
+static inline unsigned long zone_lru_pages(struct zone *zone)
+{
+        return (zone_page_state(zone, NR_ACTIVE_ANON)
+                + zone_page_state(zone, NR_ACTIVE_FILE)
+                + zone_page_state(zone, NR_INACTIVE_ANON)
+                + zone_page_state(zone, NR_INACTIVE_FILE));
+}
+
 #ifdef CONFIG_NUMA
 /*
  * Determine the per node value of a stat item. This function