linux-kernel - Re: [headache] 3.7.0-rc2 can't handle mutt (with 3.7G mail file) +FF (4 tabs) on a 4G memory+4 core system ?

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Message-ID: <509BC06A.8000401@odi.ch>
Date:	Thu, 08 Nov 2012 15:23:38 +0100
From:	Ortwin Glück <odi@....ch>
To:	Luming Yu <luming.yu@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [headache] 3.7.0-rc2 can't handle mutt (with 3.7G mail file)
 +FF (4 tabs) on a 4G memory+4 core system ?

On 08.11.2012 15:14, Luming Yu wrote:
>> hmm....make sens? maybe we can't use tmp-on-tmpfs feature in f18
> but why not having disk to backup tmpfs under memory pressure?

It should. tmpfs should use all available RAM+swap. But then I guess you 
have no swap, and the kernel simply is desperately trying to find memory 
for a slab/slub or whatever. OOM killer can't help because the temp file 
uses the space, not a process.

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