From 641916881322a2dee5b120d509a3bdd05a502510 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 30 Aug 2007 23:56:17 -0700
Subject: [PATCH] process_zones(): fix recovery code
Don't try to free memory which we didn't allocate.
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/page_alloc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6427653023aab..1a8c59571cb73 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2345,6 +2345,8 @@ static int __cpuinit process_zones(int cpu)
return 0;
bad:
for_each_zone(dzone) {
+ if (!populated_zone(dzone))
+ continue;
if (dzone == zone)
break;
kfree(zone_pcp(dzone, cpu));
--
2.30.2