On Wed, May 16, 2018 at 11:35:55AM +0200, Vlastimil Babka wrote:
> On 05/08/2018 03:00 AM, Joonsoo Kim wrote:
> >> classzone predates my involvement with Linux but I would be less concerneed
> >> about what the original intent was and instead ensure that classzone index
> >> is consistent, sane and
On 05/08/2018 03:00 AM, Joonsoo Kim wrote:
>> classzone predates my involvement with Linux but I would be less concerneed
>> about what the original intent was and instead ensure that classzone index
>> is consistent, sane and potentially renamed while preserving the intent of
>> "reserve pages in
On Fri, 4 May 2018 11:33:22 +0100 Mel Gorman wrote:
> On Fri, May 04, 2018 at 09:03:02AM +0200, Vlastimil Babka wrote:
> > > min watermark for NORMAL zone on node 0
> > > allocation initiated on node 0: 750 + 4096 = 4846
> > > allocation initiated on node 1: 750 + 0 = 750
> > >
> > > This waterm
Hello, Mel.
Thanks for precious input!
2018-05-04 19:33 GMT+09:00 Mel Gorman :
> On Fri, May 04, 2018 at 09:03:02AM +0200, Vlastimil Babka wrote:
>> > min watermark for NORMAL zone on node 0
>> > allocation initiated on node 0: 750 + 4096 = 4846
>> > allocation initiated on node 1: 750 + 0 = 750
On Fri, May 04, 2018 at 09:03:02AM +0200, Vlastimil Babka wrote:
> > min watermark for NORMAL zone on node 0
> > allocation initiated on node 0: 750 + 4096 = 4846
> > allocation initiated on node 1: 750 + 0 = 750
> >
> > This watermark difference could cause too many numa_miss allocation
> > in so
2018-05-04 16:03 GMT+09:00 Vlastimil Babka :
> On 05/04/2018 06:30 AM, js1...@gmail.com wrote:
>> From: Joonsoo Kim
>>
>> Currently, we use the zone index of preferred_zone which represents
>> the best matching zone for allocation, as classzone_idx. It has a problem
>> on NUMA system with ZONE_MOV
On 05/04/2018 06:30 AM, js1...@gmail.com wrote:
> From: Joonsoo Kim
>
> Currently, we use the zone index of preferred_zone which represents
> the best matching zone for allocation, as classzone_idx. It has a problem
> on NUMA system with ZONE_MOVABLE.
>
> In NUMA system, it can be possible that
From: Joonsoo Kim
Currently, we use the zone index of preferred_zone which represents
the best matching zone for allocation, as classzone_idx. It has a problem
on NUMA system with ZONE_MOVABLE.
In NUMA system, it can be possible that each node has different populated
zones. For example, node 0 c
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