linux-kernel - Re: OOM-Killer kills too much with 2.6.32.2

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Date:	Tue, 26 Jan 2010 14:59:54 +0100
From:	Michael Reinelt <michael@...nelt.co.at>
To:	Chris Wilson <chris@...is-wilson.co.uk>
CC:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Roman Jarosz <kedgedev@...il.com>,
	lkml <linux-kernel@...r.kernel.org>,
	A Rojas <nqn1976list@...il.com>,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	"A. Boulan" <arnaud.boulan@...ertysurf.fr>,
	jcnengel@...glemail.com, rientjes@...gle.com, earny@...4u.de,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Eric Anholt <eric@...olt.net>
Subject: Re: OOM-Killer kills too much with 2.6.32.2



Chris Wilson schrieb:
> On Tue, 26 Jan 2010 22:03:06 +0900, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:
>> Please consider to revert such commit at once. Lots people reported
>> the same issue.
>> I really hope to stop bug report storm.
> 
> Your CC did not reference the problem that you were discussing, nor that
> it is even easier to trigger an OOM without the shrinker. Memory
> exhaustion due to the excess usage of surfaces from userspace is not a new
> issuer. So what is the problem you have encountered and how does running
> the OOM killer earlier fix the issue of triggering the OOM killer?
> 

To end this discussion: I just had a OOM with the GEM / shmem partial revert patch from Motohiro :-(

Unfortunately without Motohiro's oom-debug patch applied :-(

as a non-git-user I have to manually patch memory.c, but I hope I can get things right. I will provide results ASAP.



-- 
Michael Reinelt <michael@...nelt.co.at>
http://home.pages.at/reinelt
GPG-Key 0xDF13BA50
ICQ #288386781
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