linux-kernel - Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux)

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Message-ID: <BANLkTinEuOHNxRNQGsZSug=MRL-hGN-rvg@mail.gmail.com>
Date:	Fri, 20 May 2011 14:40:29 -0400
From:	Andrew Lutomirski <luto@....edu>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	Andrea Arcangeli <aarcange@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	fengguang.wu@...el.com, andi@...stfloor.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, mgorman@...e.de, hannes@...xchg.org,
	riel@...hat.com
Subject: Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux)

On Fri, May 20, 2011 at 2:09 PM, Andrew Lutomirski <luto@....edu> wrote:
> I just tested 2.6.38.6 with the attached patch.  It survived dirty_ram
> and test_mempressure without any problems other than slowness, but
> when I hit ctrl-c to stop test_mempressure, I got the attached oom.

Reproduced with CONFIG_CGROUP_MEM_RES_CTLR=n.

--Andy
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