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

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Date:	Tue, 29 Dec 2015 17:27:54 +0100
From:	Michal Hocko <mhocko@...nel.org>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc:	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	hannes@...xchg.org, mgorman@...e.de, rientjes@...gle.com,
	hillf.zj@...baba-inc.com, kamezawa.hiroyu@...fujitsu.com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] OOM detection rework v4

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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