From: Christoph Lameter <clameter@engr.sgi.com>
Date: Sun, 12 Feb 2006 01:55:54 +0000 (-0800)
Subject: [PATCH] vmscan: remove duplicate increment of reclaim_in_progress
X-Git-Tag: v2.6.16-rc3~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=072eaa5d9cc3e63f567ffd9ad87b36194fdd8010;p=platform%2Fkernel%2Flinux-3.10.git

[PATCH] vmscan: remove duplicate increment of reclaim_in_progress

shrink_zone() already increments reclaim_in_progress.  No need to do it in
balance_pgdat.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/mm/vmscan.c b/mm/vmscan.c
index e1c6423..58ed512 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1614,9 +1614,7 @@ scan:
 			sc.nr_reclaimed = 0;
 			sc.priority = priority;
 			sc.swap_cluster_max = nr_pages? nr_pages : SWAP_CLUSTER_MAX;
-			atomic_inc(&zone->reclaim_in_progress);
 			shrink_zone(zone, &sc);
-			atomic_dec(&zone->reclaim_in_progress);
 			reclaim_state->reclaimed_slab = 0;
 			nr_slab = shrink_slab(sc.nr_scanned, GFP_KERNEL,
 						lru_pages);