1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 59a4c8fd6eb..9c5111f49a3 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -323,6 +323,12 @@ struct zone {
          */
         int prev_priority;
 
+        /*
+         * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on
+         * this zone's LRU.  Maintained by the pageout code.
+         */
+        unsigned int inactive_ratio;
+
 
         ZONE_PADDING(_pad2_)
         /* Rarely used or read-mostly fields */