1 files changed, 7 insertions, 5 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 34cbefd2ebde..93a849f742db 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -149,15 +149,17 @@ struct zone {
         unsigned long           pages_scanned;     /* since last reclaim */
         int                     all_unreclaimable; /* All pages pinned */
 
-        /*
-         * Does the allocator try to reclaim pages from the zone as soon
-         * 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;
 
         /*
+         * timestamp (in jiffies) of the last zone reclaim that did not
+         * result in freeing of pages. This is used to avoid repeated scans
+         * if all memory in the zone is in use.
+         */
+        unsigned long           last_unsuccessful_zone_reclaim;
+
+        /*
          * prev_priority holds the scanning priority for this zone.  It is
          * defined as the scanning priority at which we achieved our reclaim
          * target at the previous try_to_free_pages() or balance_pgdat()