linux-kernel - Re: swap storm since kernel 3.2.x

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Message-ID: <20120204133331.GA13223@sig21.net>
Date:	Sat, 4 Feb 2012 14:33:31 +0100
From:	Johannes Stezenbach <js@...21.net>
To:	Toralf Förster <toralf.foerster@....de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: swap storm since kernel 3.2.x

On Sat, Feb 04, 2012 at 11:09:52AM +0100, Toralf Förster wrote:
> Within the last few weeks I'm observing sometimes a swap storm at my ThinkPad 
> while compiling/installing new packages at my Gentoo Linux - the load is often 
> something like :
> 
> Load avg: 13.6, 20.6, 20.9
> 
> I'm wondering whether this is related to kernel 3.2.x /Gentoo specific or 
> related to my system only.

Do you happen to have CONFIG_DEBUG_OBJECTS enabled?  For me it
ate lots of memory with 3.2.2, easily visible in slabtop.


Johannes
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