process_zones(): fix recovery code

Don't try to free memory which we didn't allocate. Acked-by: Christoph Lameter <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
iegor · Aug 31, 2007 · 6419168 · 6419168
1 parent 060d11b
commit 6419168
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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));