[PATCH 15 of 16] limit reclaim if enough pages have been freed

[Andrea Arcangeli <andrea@suse.de>]

# HG changeset patch
# User Andrea Arcangeli <andrea@suse.de>
# Date 1181332962 -7200
# Node ID 31ef5d0bf924fb47da144321f692f4fefebf5cf5
# Parent  dbd70ffd95f34cd12f1fd2f05a9cc0f9a50edb4a
limit reclaim if enough pages have been freed

No need to wipe out an huge chunk of the cache.

Signed-off-by: Andrea Arcangeli <andrea@suse.de>

diff --git a/mm/vmscan.c b/mm/vmscan.c
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -938,6 +938,8 @@ static unsigned long shrink_zone(int pri
 			nr_inactive -= nr_to_scan;
 			nr_reclaimed += shrink_inactive_list(nr_to_scan, zone,
 								sc);
+			if (nr_reclaimed >= sc->swap_cluster_max)
+				break;
 		}
 	}
 

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>