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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>
Andrew Morton 18 gadi atpakaļ
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6419168813
1 mainītis faili ar 2 papildinājumiem un 0 dzēšanām
  1. 2 0
      mm/page_alloc.c

+ 2 - 0
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));