[PATCH] VM: rate limit early reclaim

[linux-3.10.git] / include / linux / mmzone.h

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index dfc2452ccb104d23fb409fba5bc923292a96c3b3..18fed8b679437ad66f475adb8d9d841e561c0b29 100644 (file)
--- 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