diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/compaction.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 6d592a021072..8be430b812de 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -406,6 +406,10 @@ static int compact_finished(struct zone *zone, if (!zone_watermark_ok(zone, cc->order, watermark, 0, 0)) return COMPACT_CONTINUE; + /* + * order == -1 is expected when compacting via + * /proc/sys/vm/compact_memory + */ if (cc->order == -1) return COMPACT_CONTINUE; @@ -454,6 +458,13 @@ unsigned long compaction_suitable(struct zone *zone, int order) return COMPACT_SKIPPED; /* + * order == -1 is expected when compacting via + * /proc/sys/vm/compact_memory + */ + if (order == -1) + return COMPACT_CONTINUE; + + /* * fragmentation index determines if allocation failures are due to * low memory or external fragmentation * |