1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index dfc2452ccb10..18fed8b67943 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -149,6 +149,8 @@ struct zone {
          * as it fails a watermark_ok() in __alloc_pages?
          */
         int                     reclaim_pages;
+        /* A count of how many reclaimers are scanning this zone */
+        atomic_t                reclaim_in_progress;
 
         /*
          * prev_priority holds the scanning priority for this zone.  It is