Re: [PATCH v2 9/9] mm/compaction: new threshold for compaction depleted zone

2015-10-15 Thread Joonsoo Kim
On Wed, Oct 14, 2015 at 02:28:31PM +0200, Vlastimil Babka wrote: > On 08/24/2015 04:19 AM, Joonsoo Kim wrote: > > Now, compaction algorithm become powerful. Migration scanner traverses > > whole zone range. So, old threshold for depleted zone which is designed > > to imitate compaction deferring

Re: [PATCH v2 9/9] mm/compaction: new threshold for compaction depleted zone

2015-10-15 Thread Joonsoo Kim
On Wed, Oct 14, 2015 at 02:28:31PM +0200, Vlastimil Babka wrote: > On 08/24/2015 04:19 AM, Joonsoo Kim wrote: > > Now, compaction algorithm become powerful. Migration scanner traverses > > whole zone range. So, old threshold for depleted zone which is designed > > to imitate compaction deferring

Re: [PATCH v2 9/9] mm/compaction: new threshold for compaction depleted zone

2015-10-15 Thread Joonsoo Kim
On Wed, Oct 14, 2015 at 02:28:31PM +0200, Vlastimil Babka wrote: > On 08/24/2015 04:19 AM, Joonsoo Kim wrote: > > Now, compaction algorithm become powerful. Migration scanner traverses > > whole zone range. So, old threshold for depleted zone which is designed > > to imitate compaction deferring

Re: [PATCH v2 9/9] mm/compaction: new threshold for compaction depleted zone

2015-10-15 Thread Joonsoo Kim
On Wed, Oct 14, 2015 at 02:28:31PM +0200, Vlastimil Babka wrote: > On 08/24/2015 04:19 AM, Joonsoo Kim wrote: > > Now, compaction algorithm become powerful. Migration scanner traverses > > whole zone range. So, old threshold for depleted zone which is designed > > to imitate compaction deferring

Re: [PATCH v2 9/9] mm/compaction: new threshold for compaction depleted zone

2015-10-14 Thread Vlastimil Babka
On 08/24/2015 04:19 AM, Joonsoo Kim wrote: > Now, compaction algorithm become powerful. Migration scanner traverses > whole zone range. So, old threshold for depleted zone which is designed > to imitate compaction deferring approach isn't appropriate for current > compaction algorithm. If we

Re: [PATCH v2 9/9] mm/compaction: new threshold for compaction depleted zone

2015-10-14 Thread Vlastimil Babka
On 08/24/2015 04:19 AM, Joonsoo Kim wrote: > Now, compaction algorithm become powerful. Migration scanner traverses > whole zone range. So, old threshold for depleted zone which is designed > to imitate compaction deferring approach isn't appropriate for current > compaction algorithm. If we

[PATCH v2 9/9] mm/compaction: new threshold for compaction depleted zone

2015-08-23 Thread Joonsoo Kim
Now, compaction algorithm become powerful. Migration scanner traverses whole zone range. So, old threshold for depleted zone which is designed to imitate compaction deferring approach isn't appropriate for current compaction algorithm. If we adhere to current threshold, 1, we can't avoid excessive

[PATCH v2 9/9] mm/compaction: new threshold for compaction depleted zone

2015-08-23 Thread Joonsoo Kim
Now, compaction algorithm become powerful. Migration scanner traverses whole zone range. So, old threshold for depleted zone which is designed to imitate compaction deferring approach isn't appropriate for current compaction algorithm. If we adhere to current threshold, 1, we can't avoid excessive