Re: [PATCH v6 05/11] mm, compaction: add the ultimate direct compaction priority

On 08/16/2016 07:58 AM, Joonsoo Kim wrote: --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1644,6 +1644,8 @@ static enum compact_result compact_zone_order(struct zone *zone, int order, .alloc_flags = alloc_flags, .classzone_idx = classzone_idx, .di

Re: [PATCH v6 05/11] mm, compaction: add the ultimate direct compaction priority

On Wed, Aug 10, 2016 at 11:12:20AM +0200, Vlastimil Babka wrote: > During reclaim/compaction loop, it's desirable to get a final answer from > unsuccessful compaction so we can either fail the allocation or invoke the OOM > killer. However, heuristics such as deferred compaction or pageblock skip b