commit 641916881322a2dee5b120d509a3bdd05a502510
author Andrew Morton <akpm@linux-foundation.org> Thu Aug 30 23:56:17 2007 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Fri Aug 31 01:42:22 2007 -0700
tree 79c0b1f449bcf09404ba932b07330a24bce4d00d
parent 060d11b0b35d13eb2251fd08403d900b71df5791

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

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6427653..1a8c595 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2345,6 +2345,8 @@
 	return 0;
 bad:
 	for_each_zone(dzone) {
+		if (!populated_zone(dzone))
+			continue;
 		if (dzone == zone)
 			break;
 		kfree(zone_pcp(dzone, cpu));