From: Michal Hocko <mhocko@kernel.org>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: akpm@linux-foundation.org, torvalds@linux-foundation.org,
hannes@cmpxchg.org, mgorman@suse.de, rientjes@google.com,
hillf.zj@alibaba-inc.com, kamezawa.hiroyu@jp.fujitsu.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] OOM detection rework v4
Date: Tue, 29 Dec 2015 17:27:54 +0100 [thread overview]
Message-ID: <20151229162753.GC10321@dhcp22.suse.cz> (raw)
In-Reply-To: <201512242141.EAH69761.MOVFQtHSFOJFLO@I-love.SAKURA.ne.jp>
On Thu 24-12-15 21:41:19, Tetsuo Handa wrote:
> I got OOM killers while running heavy disk I/O (extracting kernel source,
> running lxr's genxref command). (Environ: 4 CPUs / 2048MB RAM / no swap / XFS)
> Do you think these OOM killers reasonable? Too weak against fragmentation?
I will have a look at the oom report more closely early next week (I am
still in holiday mode) but it would be good to compare how the same load
behaves with the original implementation. It would be also interesting
to see how stable are the results (is there any variability in multiple
runs?).
Thanks!
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2015-12-29 16:27 UTC|newest]
Thread overview: 152+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-15 18:19 [PATCH 0/3] OOM detection rework v4 Michal Hocko
2015-12-15 18:19 ` [PATCH 1/3] mm, oom: rework oom detection Michal Hocko
2016-01-14 22:58 ` David Rientjes
2016-01-16 1:07 ` Tetsuo Handa
2016-01-19 22:48 ` David Rientjes
2016-01-20 11:13 ` Tetsuo Handa
2016-01-20 13:13 ` Michal Hocko
2016-04-04 8:23 ` Vladimir Davydov
2016-04-04 9:42 ` Michal Hocko
2015-12-15 18:19 ` [PATCH 2/3] mm: throttle on IO only when there are too many dirty and writeback pages Michal Hocko
2016-03-17 11:35 ` Tetsuo Handa
2016-03-17 12:01 ` Michal Hocko
2015-12-15 18:19 ` [PATCH 3/3] mm: use watermak checks for __GFP_REPEAT high order allocations Michal Hocko
2015-12-16 23:35 ` [PATCH 0/3] OOM detection rework v4 Andrew Morton
2015-12-18 12:12 ` Michal Hocko
2015-12-16 23:58 ` Andrew Morton
2015-12-18 13:15 ` Michal Hocko
2015-12-18 16:35 ` Johannes Weiner
2015-12-24 12:41 ` Tetsuo Handa
2015-12-28 12:08 ` Tetsuo Handa
2015-12-28 14:13 ` Tetsuo Handa
2016-01-06 12:44 ` Vlastimil Babka
2016-01-08 12:37 ` Michal Hocko
2015-12-29 16:32 ` Michal Hocko
2015-12-30 15:05 ` Tetsuo Handa
2016-01-02 15:47 ` Tetsuo Handa
2016-01-20 12:24 ` Michal Hocko
2016-01-27 23:18 ` David Rientjes
2016-01-28 21:19 ` Michal Hocko
2015-12-29 16:27 ` Michal Hocko [this message]
2016-01-28 20:40 ` [PATCH 4/3] mm, oom: drop the last allocation attempt before out_of_memory Michal Hocko
2016-01-28 21:36 ` Johannes Weiner
2016-01-28 23:19 ` David Rientjes
2016-01-28 23:51 ` Johannes Weiner
2016-01-29 10:39 ` Tetsuo Handa
2016-01-29 15:32 ` Michal Hocko
2016-01-30 12:18 ` Tetsuo Handa
2016-01-29 15:23 ` Michal Hocko
2016-01-29 15:24 ` Michal Hocko
2016-01-28 21:19 ` [PATCH 5/3] mm, vmscan: make zone_reclaimable_pages more precise Michal Hocko
2016-01-28 23:20 ` David Rientjes
2016-01-29 3:41 ` Hillf Danton
2016-01-29 10:35 ` Tetsuo Handa
2016-01-29 15:17 ` Michal Hocko
2016-01-29 21:30 ` Tetsuo Handa
2016-02-03 13:27 ` [PATCH 0/3] OOM detection rework v4 Michal Hocko
2016-02-03 22:58 ` David Rientjes
2016-02-04 12:57 ` Michal Hocko
2016-02-04 13:10 ` Tetsuo Handa
2016-02-04 13:39 ` Michal Hocko
2016-02-04 14:24 ` Michal Hocko
2016-02-07 4:09 ` Tetsuo Handa
2016-02-15 20:06 ` Michal Hocko
2016-02-16 13:10 ` Tetsuo Handa
2016-02-16 15:19 ` Michal Hocko
2016-02-25 3:47 ` Hugh Dickins
2016-02-25 6:48 ` Sergey Senozhatsky
2016-02-25 9:17 ` Hillf Danton
2016-02-25 9:27 ` Michal Hocko
2016-02-25 9:48 ` Hillf Danton
2016-02-25 11:02 ` Sergey Senozhatsky
2016-02-25 9:23 ` Michal Hocko
2016-02-26 6:32 ` Hugh Dickins
2016-02-26 7:54 ` Hillf Danton
2016-02-26 9:24 ` Michal Hocko
2016-02-26 10:27 ` Hillf Danton
2016-02-26 13:49 ` Michal Hocko
2016-02-26 9:33 ` Michal Hocko
2016-02-29 21:02 ` Michal Hocko
2016-03-02 2:19 ` Joonsoo Kim
2016-03-02 9:50 ` Michal Hocko
2016-03-02 13:32 ` Joonsoo Kim
2016-03-02 14:06 ` Michal Hocko
2016-03-02 14:34 ` Joonsoo Kim
2016-03-03 9:26 ` Michal Hocko
2016-03-03 10:29 ` Tetsuo Handa
2016-03-03 14:10 ` Joonsoo Kim
2016-03-03 15:25 ` Michal Hocko
2016-03-04 5:23 ` Joonsoo Kim
2016-03-04 15:15 ` Michal Hocko
2016-03-04 17:39 ` Michal Hocko
2016-03-07 5:23 ` Joonsoo Kim
2016-03-03 15:50 ` Vlastimil Babka
2016-03-03 16:26 ` Michal Hocko
2016-03-04 7:10 ` Joonsoo Kim
2016-03-02 15:01 ` Minchan Kim
2016-03-07 16:08 ` [PATCH] mm, oom: protect !costly allocations some more (was: Re: [PATCH 0/3] OOM detection rework v4) Michal Hocko
2016-03-08 3:51 ` Sergey Senozhatsky
2016-03-08 9:08 ` Michal Hocko
2016-03-08 9:24 ` Sergey Senozhatsky
2016-03-08 9:24 ` [PATCH] mm, oom: protect !costly allocations some more Vlastimil Babka
2016-03-08 9:32 ` Sergey Senozhatsky
2016-03-08 9:46 ` Michal Hocko
2016-03-08 9:52 ` Vlastimil Babka
2016-03-08 10:10 ` Michal Hocko
2016-03-08 11:12 ` Vlastimil Babka
2016-03-08 12:22 ` Michal Hocko
2016-03-08 12:29 ` Vlastimil Babka
2016-03-08 9:58 ` [PATCH] mm, oom: protect !costly allocations some more (was: Re: [PATCH 0/3] OOM detection rework v4) Sergey Senozhatsky
2016-03-08 13:57 ` Michal Hocko
2016-03-08 10:36 ` Hugh Dickins
2016-03-08 13:42 ` [PATCH 0/2] oom rework: high order enahncements Michal Hocko
2016-03-08 13:42 ` [PATCH 1/3] mm, compaction: change COMPACT_ constants into enum Michal Hocko
2016-03-08 14:19 ` Vlastimil Babka
2016-03-09 3:55 ` Hillf Danton
2016-03-08 13:42 ` [PATCH 2/3] mm, compaction: cover all compaction mode in compact_zone Michal Hocko
2016-03-08 14:22 ` Vlastimil Babka
2016-03-09 3:57 ` Hillf Danton
2016-03-08 13:42 ` [PATCH 3/3] mm, oom: protect !costly allocations some more Michal Hocko
2016-03-08 14:34 ` Vlastimil Babka
2016-03-08 14:48 ` Michal Hocko
2016-03-08 15:03 ` Vlastimil Babka
2016-03-09 11:11 ` Michal Hocko
2016-03-09 14:07 ` Vlastimil Babka
2016-03-11 12:17 ` Hugh Dickins
2016-03-11 13:06 ` Michal Hocko
2016-03-11 19:08 ` Hugh Dickins
2016-03-14 16:21 ` Michal Hocko
2016-03-08 15:19 ` [PATCH] mm, oom: protect !costly allocations some more (was: Re: [PATCH 0/3] OOM detection rework v4) Joonsoo Kim
2016-03-08 16:05 ` Michal Hocko
2016-03-08 17:03 ` Joonsoo Kim
2016-03-09 10:41 ` Michal Hocko
2016-03-11 14:53 ` Joonsoo Kim
2016-03-11 15:20 ` Michal Hocko
2016-02-29 20:35 ` [PATCH 0/3] OOM detection rework v4 Michal Hocko
2016-03-01 7:29 ` Hugh Dickins
2016-03-01 13:38 ` Michal Hocko
2016-03-01 14:40 ` Michal Hocko
2016-03-01 18:14 ` Vlastimil Babka
2016-03-02 2:55 ` Joonsoo Kim
2016-03-02 12:37 ` Michal Hocko
2016-03-02 14:06 ` Joonsoo Kim
2016-03-02 12:24 ` Michal Hocko
2016-03-02 13:00 ` Michal Hocko
2016-03-02 13:22 ` Vlastimil Babka
2016-03-02 2:28 ` Joonsoo Kim
2016-03-02 12:39 ` Michal Hocko
2016-03-03 9:54 ` Hugh Dickins
2016-03-03 12:32 ` Michal Hocko
2016-03-03 20:57 ` Hugh Dickins
2016-03-04 7:41 ` Vlastimil Babka
2016-03-04 7:53 ` Joonsoo Kim
2016-03-04 12:28 ` Michal Hocko
2016-03-11 10:45 ` Tetsuo Handa
2016-03-11 13:08 ` Michal Hocko
2016-03-11 13:32 ` Tetsuo Handa
2016-03-11 15:28 ` Michal Hocko
2016-03-11 16:49 ` Tetsuo Handa
2016-03-11 17:00 ` Michal Hocko
2016-03-11 17:20 ` Tetsuo Handa
2016-03-12 4:08 ` Tetsuo Handa
2016-03-13 14:41 ` Tetsuo Handa
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