Re: [PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-07-19 Thread Vlastimil Babka
On 07/19/2016 08:44 AM, Joonsoo Kim wrote: On Mon, Jul 18, 2016 at 11:12:51AM +0200, Vlastimil Babka wrote: On 07/06/2016 07:09 AM, Joonsoo Kim wrote: On Fri, Jun 24, 2016 at 11:54:29AM +0200, Vlastimil Babka wrote: A recent patch has added whole_zone flag that compaction sets when scanning

Re: [PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-07-19 Thread Vlastimil Babka
On 07/19/2016 08:44 AM, Joonsoo Kim wrote: On Mon, Jul 18, 2016 at 11:12:51AM +0200, Vlastimil Babka wrote: On 07/06/2016 07:09 AM, Joonsoo Kim wrote: On Fri, Jun 24, 2016 at 11:54:29AM +0200, Vlastimil Babka wrote: A recent patch has added whole_zone flag that compaction sets when scanning

Re: [PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-07-19 Thread Joonsoo Kim
On Mon, Jul 18, 2016 at 11:12:51AM +0200, Vlastimil Babka wrote: > On 07/06/2016 07:09 AM, Joonsoo Kim wrote: > >On Fri, Jun 24, 2016 at 11:54:29AM +0200, Vlastimil Babka wrote: > >>A recent patch has added whole_zone flag that compaction sets when scanning > >>starts from the zone boundary, in

Re: [PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-07-19 Thread Joonsoo Kim
On Mon, Jul 18, 2016 at 11:12:51AM +0200, Vlastimil Babka wrote: > On 07/06/2016 07:09 AM, Joonsoo Kim wrote: > >On Fri, Jun 24, 2016 at 11:54:29AM +0200, Vlastimil Babka wrote: > >>A recent patch has added whole_zone flag that compaction sets when scanning > >>starts from the zone boundary, in

Re: [PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-07-18 Thread Vlastimil Babka
On 07/06/2016 07:09 AM, Joonsoo Kim wrote: On Fri, Jun 24, 2016 at 11:54:29AM +0200, Vlastimil Babka wrote: A recent patch has added whole_zone flag that compaction sets when scanning starts from the zone boundary, in order to report that zone has been fully scanned in one attempt. For

Re: [PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-07-18 Thread Vlastimil Babka
On 07/06/2016 07:09 AM, Joonsoo Kim wrote: On Fri, Jun 24, 2016 at 11:54:29AM +0200, Vlastimil Babka wrote: A recent patch has added whole_zone flag that compaction sets when scanning starts from the zone boundary, in order to report that zone has been fully scanned in one attempt. For

Re: [PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-07-05 Thread Joonsoo Kim
On Fri, Jun 24, 2016 at 11:54:29AM +0200, Vlastimil Babka wrote: > A recent patch has added whole_zone flag that compaction sets when scanning > starts from the zone boundary, in order to report that zone has been fully > scanned in one attempt. For allocations that want to try really hard or

Re: [PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-07-05 Thread Joonsoo Kim
On Fri, Jun 24, 2016 at 11:54:29AM +0200, Vlastimil Babka wrote: > A recent patch has added whole_zone flag that compaction sets when scanning > starts from the zone boundary, in order to report that zone has been fully > scanned in one attempt. For allocations that want to try really hard or

[PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-06-24 Thread Vlastimil Babka
A recent patch has added whole_zone flag that compaction sets when scanning starts from the zone boundary, in order to report that zone has been fully scanned in one attempt. For allocations that want to try really hard or cannot fail, we will want to introduce a mode where scanning whole zone is

[PATCH v3 09/17] mm, compaction: make whole_zone flag ignore cached scanner positions

2016-06-24 Thread Vlastimil Babka
A recent patch has added whole_zone flag that compaction sets when scanning starts from the zone boundary, in order to report that zone has been fully scanned in one attempt. For allocations that want to try really hard or cannot fail, we will want to introduce a mode where scanning whole zone is