Re: [PATCH v2 2/9] mm/compaction: introduce compaction depleted state on zone

2015-09-30 Thread Joonsoo Kim
Hello, Vlastimil. First of all, thanks for review! On Fri, Sep 25, 2015 at 10:04:49AM +0200, Vlastimil Babka wrote: > On 08/24/2015 04:19 AM, Joonsoo Kim wrote: > > Further compaction attempt is deferred when some of compaction attempts > > already fails. But, after some number of trial are skipp

Re: [PATCH v2 2/9] mm/compaction: introduce compaction depleted state on zone

2015-09-25 Thread Vlastimil Babka
On 08/24/2015 04:19 AM, Joonsoo Kim wrote: > Further compaction attempt is deferred when some of compaction attempts > already fails. But, after some number of trial are skipped, compaction > restarts work to check whether compaction is now possible or not. It > scans whole range of zone to determi

[PATCH v2 2/9] mm/compaction: introduce compaction depleted state on zone

2015-08-23 Thread Joonsoo Kim
Further compaction attempt is deferred when some of compaction attempts already fails. But, after some number of trial are skipped, compaction restarts work to check whether compaction is now possible or not. It scans whole range of zone to determine this possibility and if compaction possibility d