Re: [PATCH 0/3] OOM detection rework v4

From	Michal Hocko <mhocko@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 0/3] OOM detection rework v4
Date	2016-03-04 18:40 +0100
Message-ID	<r91RL-1Nv-9@gated-at.bofh.it> (permalink)
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On Fri 04-03-16 16:15:58, Michal Hocko wrote:
> On Fri 04-03-16 14:23:27, Joonsoo Kim wrote:
[...]
> > Unconditional 16 looping and then OOM kill really doesn't make any
> > sense, because it doesn't mean that we already do our best.
> 
> 16 is not really that important. We can change that if that doesn't
> sounds sufficient. But please note that each reclaim round means
> that we have scanned all eligible LRUs to find and reclaim something

this should read "scanned potentially all eligible LRUs..."

> and asked direct compaction to prepare a high order page.
> This sounds like "do our best" to me.


-- 
Michal Hocko
SUSE Labs

Thread

Re: [PATCH 0/3] OOM detection rework v4 Hugh Dickins <hughd@google.com> - 2016-02-25 04:50 +0100
  Re: [PATCH 0/3] OOM detection rework v4 Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-25 07:50 +0100
    Re: [PATCH 0/3] OOM detection rework v4 "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-02-25 10:20 +0100
      Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-02-25 10:30 +0100
        Re: [PATCH 0/3] OOM detection rework v4 "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-02-25 10:50 +0100
          Re: [PATCH 0/3] OOM detection rework v4 Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-25 12:10 +0100
  Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-02-25 10:30 +0100
    Re: [PATCH 0/3] OOM detection rework v4 Hugh Dickins <hughd@google.com> - 2016-02-26 07:40 +0100
      Re: [PATCH 0/3] OOM detection rework v4 "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-02-26 09:00 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-02-26 10:30 +0100
          Re: [PATCH 0/3] OOM detection rework v4 "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-02-26 11:30 +0100
            Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-02-26 14:50 +0100
      Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-02-26 10:50 +0100
    Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-02-29 22:10 +0100
      Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-03-02 03:20 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-02 11:00 +0100
          Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <js1304@gmail.com> - 2016-03-02 14:40 +0100
            Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-02 15:10 +0100
              Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <js1304@gmail.com> - 2016-03-02 15:40 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-03 10:30 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2016-03-03 11:40 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <js1304@gmail.com> - 2016-03-03 15:20 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-03 16:30 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-03-04 06:30 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-04 16:20 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-04 18:40 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-03-07 06:30 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Vlastimil Babka <vbabka@suse.cz> - 2016-03-03 17:00 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-03 17:30 +0100
                Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-03-04 08:20 +0100
          Re: [PATCH 0/3] OOM detection rework v4 Minchan Kim <minchan@kernel.org> - 2016-03-02 16:10 +0100
      [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Michal Hocko <mhocko@kernel.org> - 2016-03-07 17:10 +0100
        Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-03-08 04:50 +0100
          Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Michal Hocko <mhocko@kernel.org> - 2016-03-08 10:10 +0100
            Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-03-08 10:30 +0100
        Re: [PATCH] mm, oom: protect !costly allocations some more Vlastimil Babka <vbabka@suse.cz> - 2016-03-08 10:30 +0100
          Re: [PATCH] mm, oom: protect !costly allocations some more Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-03-08 10:40 +0100
          Re: [PATCH] mm, oom: protect !costly allocations some more Michal Hocko <mhocko@kernel.org> - 2016-03-08 10:50 +0100
            Re: [PATCH] mm, oom: protect !costly allocations some more Vlastimil Babka <vbabka@suse.cz> - 2016-03-08 11:00 +0100
              Re: [PATCH] mm, oom: protect !costly allocations some more Michal Hocko <mhocko@kernel.org> - 2016-03-08 11:20 +0100
                Re: [PATCH] mm, oom: protect !costly allocations some more Vlastimil Babka <vbabka@suse.cz> - 2016-03-08 12:20 +0100
                Re: [PATCH] mm, oom: protect !costly allocations some more Michal Hocko <mhocko@kernel.org> - 2016-03-08 13:30 +0100
                Re: [PATCH] mm, oom: protect !costly allocations some more Vlastimil Babka <vbabka@suse.cz> - 2016-03-08 13:40 +0100
        Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-03-08 11:00 +0100
          Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Michal Hocko <mhocko@kernel.org> - 2016-03-08 15:00 +0100
        Re: [PATCH] mm, oom: protect !costly allocations some more (was:  Re: [PATCH 0/3] OOM detection rework v4) Hugh Dickins <hughd@google.com> - 2016-03-08 11:40 +0100
        [PATCH 1/3] mm, compaction: change COMPACT_ constants into enum Michal Hocko <mhocko@kernel.org> - 2016-03-08 14:50 +0100
          Re: [PATCH 1/3] mm, compaction: change COMPACT_ constants into enum Vlastimil Babka <vbabka@suse.cz> - 2016-03-08 15:20 +0100
          Re: [PATCH 1/3] mm, compaction: change COMPACT_ constants into enum "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-03-09 05:00 +0100
        [PATCH 3/3] mm, oom: protect !costly allocations some more Michal Hocko <mhocko@kernel.org> - 2016-03-08 14:50 +0100
          Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Vlastimil Babka <vbabka@suse.cz> - 2016-03-08 15:40 +0100
            Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Michal Hocko <mhocko@kernel.org> - 2016-03-08 15:50 +0100
              Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Vlastimil Babka <vbabka@suse.cz> - 2016-03-08 16:10 +0100
          Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Michal Hocko <mhocko@kernel.org> - 2016-03-09 12:20 +0100
            Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Vlastimil Babka <vbabka@suse.cz> - 2016-03-09 15:10 +0100
            Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Hugh Dickins <hughd@google.com> - 2016-03-11 13:20 +0100
              Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Michal Hocko <mhocko@kernel.org> - 2016-03-11 14:10 +0100
                Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Hugh Dickins <hughd@google.com> - 2016-03-11 20:10 +0100
                Re: [PATCH 3/3] mm, oom: protect !costly allocations some more Michal Hocko <mhocko@kernel.org> - 2016-03-14 17:30 +0100
        [PATCH 0/2] oom rework: high order enahncements Michal Hocko <mhocko@kernel.org> - 2016-03-08 14:50 +0100
          [PATCH 2/3] mm, compaction: cover all compaction mode in compact_zone Michal Hocko <mhocko@kernel.org> - 2016-03-08 14:50 +0100
            Re: [PATCH 2/3] mm, compaction: cover all compaction mode in  compact_zone Vlastimil Babka <vbabka@suse.cz> - 2016-03-08 15:30 +0100
            Re: [PATCH 2/3] mm, compaction: cover all compaction mode in compact_zone "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-03-09 05:00 +0100
        Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Joonsoo Kim <js1304@gmail.com> - 2016-03-08 16:20 +0100
          Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Michal Hocko <mhocko@kernel.org> - 2016-03-08 17:10 +0100
            Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Joonsoo Kim <js1304@gmail.com> - 2016-03-08 18:10 +0100
              Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Michal Hocko <mhocko@kernel.org> - 2016-03-09 11:50 +0100
                Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Joonsoo Kim <js1304@gmail.com> - 2016-03-11 16:00 +0100
                Re: [PATCH] mm, oom: protect !costly allocations some more (was: Re:  [PATCH 0/3] OOM detection rework v4) Michal Hocko <mhocko@kernel.org> - 2016-03-11 16:30 +0100
  Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-02-29 21:40 +0100
    Re: [PATCH 0/3] OOM detection rework v4 Hugh Dickins <hughd@google.com> - 2016-03-01 08:30 +0100
      Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-01 14:40 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-01 15:50 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Vlastimil Babka <vbabka@suse.cz> - 2016-03-01 19:20 +0100
          Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-03-02 04:00 +0100
            Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-02 13:40 +0100
              Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <js1304@gmail.com> - 2016-03-02 15:10 +0100
          Re: [PATCH 0/3] OOM detection rework v4 Vlastimil Babka <vbabka@suse.cz> - 2016-03-02 14:30 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-03-02 03:30 +0100
          Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-02 13:40 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-03 13:40 +0100
          Re: [PATCH 0/3] OOM detection rework v4 Hugh Dickins <hughd@google.com> - 2016-03-03 22:00 +0100
            Re: [PATCH 0/3] OOM detection rework v4 Vlastimil Babka <vbabka@suse.cz> - 2016-03-04 08:50 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-03-04 09:00 +0100
        Re: [PATCH 0/3] OOM detection rework v4 Michal Hocko <mhocko@kernel.org> - 2016-03-04 13:30 +0100

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