From: Andrew Morton <akpm@linux-foundation.org>

mm/vmscan.c: In function 'shrink_zone':
mm/vmscan.c:957: warning: 'reclaim_mapped' may be used uninitialized in this function

Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Kirill Korotaev <dev@sw.ru>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Paul Menage <menage@google.com>
Cc: Pavel Emelianov <xemul@openvz.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Rik van Riel <riel@redhat.com>
Cc: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/vmscan.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN mm/vmscan.c~per-zone-and-reclaim-enhancements-for-memory-controller-take-3-modifies-vmscanc-for-isolate-globa-cgroup-lru-activity-fix mm/vmscan.c
--- a/mm/vmscan.c~per-zone-and-reclaim-enhancements-for-memory-controller-take-3-modifies-vmscanc-for-isolate-globa-cgroup-lru-activity-fix
+++ a/mm/vmscan.c
@@ -954,7 +954,7 @@ static int calc_reclaim_mapped(struct sc
 	long distress;
 	long swap_tendency;
 	long imbalance;
-	int reclaim_mapped;
+	int reclaim_mapped = 0;
 	int prev_priority;
 
 	if (scan_global_lru(sc) && zone_is_near_oom(zone))
_