linux-kernel - Re: 2.6.22-stable causes oomkiller to be invoked

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Message-ID: <4762A721.7080400@gmail.com>
Date:	Sat, 15 Dec 2007 00:54:09 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
CC:	Greg KH <gregkh@...e.de>, stable@...nel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>, maneesh@...ux.vnet.ibm.com,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Balbir Singh <balbir@...ibm.com>,
	Gautham Shenoy <ego@...ibm.com>
Subject: Re: 2.6.22-stable causes oomkiller to be invoked

Dhaval Giani wrote:
> XXX sysfs_page_cnt=1

Hmm.. so, sysfs r/w buffer wasn't the culprit.  I'm curious what eats up
all your low memory.  Please do the following.

1. Right after boot, record /proc/meminfo and slabinfo.

2. After or near OOM, record /proc/meminfo and slabinfo.  This can be
tricky but if your machine reliably OOMs after 10mins, run it for 9mins
and capturing the result should show enough.

Thanks.

-- 
tejun
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