[PATCH 02/27] mm, vmscan: Check if cpusets are enabled during direct reclaim
From: Mel Gorman <hidden>
Date: 2016-02-23 15:15:00
Also in:
lkml
Subsystem:
memory management, memory management - mglru (multi-gen lru), memory management - reclaim, the rest · Maintainers:
Andrew Morton, Johannes Weiner, Linus Torvalds
Direct reclaim obeys cpusets but misses the cpusets_enabled() check. The overhead is unlikely to be measurable in the direct reclaim path which is expensive but there is no harm is doing it. Signed-off-by: Mel Gorman <redacted> --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 86eb21491867..de8d6226e026 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c@@ -2566,7 +2566,7 @@ static void shrink_zones(struct zonelist *zonelist, struct scan_control *sc) * to global LRU. */ if (global_reclaim(sc)) { - if (!cpuset_zone_allowed(zone, + if (cpusets_enabled() && !cpuset_zone_allowed(zone, GFP_KERNEL | __GFP_HARDWALL)) continue;
--
2.6.4
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