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Groups > linux.kernel > #1441640
| From | Johannes Weiner <hannes@cmpxchg.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 29/34] mm, page_alloc: remove fair zone allocation policy |
| Date | 2016-07-12 20:20 +0200 |
| Message-ID | <rUarM-7W-5@gated-at.bofh.it> (permalink) |
| References | <rSAqm-2Tv-3@gated-at.bofh.it> <rSAA1-2Xn-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Jul 08, 2016 at 10:35:05AM +0100, Mel Gorman wrote: > The fair zone allocation policy interleaves allocation requests between > zones to avoid an age inversion problem whereby new pages are reclaimed to > balance a zone. Reclaim is now node-based so this should no longer be an > issue and the fair zone allocation policy is not free. This patch removes > it. > > Signed-off-by: Mel Gorman <mgorman@techsingularity.net> > Acked-by: Vlastimil Babka <vbabka@suse.cz> It's indeed no longer needed with a single set of LRUs on each NUMA node. I'm glad this wart is finally going. Thanks Mel. Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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Re: [PATCH 29/34] mm, page_alloc: remove fair zone allocation policy Johannes Weiner <hannes@cmpxchg.org> - 2016-07-12 20:20 +0200
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