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

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Date:	Sun, 5 Feb 2012 12:45:40 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	Toralf Förster <toralf.foerster@....de>
Cc:	Johannes Stezenbach <js@...21.net>, linux-kernel@...r.kernel.org,
	Hillf Danton <dhillf@...il.com>,
	Rik van Riel <riel@...hat.com>, linux-mm@...ck.org
Subject: Re: swap storm since kernel 3.2.x

2012/2/4 Toralf Förster <toralf.foerster@....de>:
>
> Johannes Stezenbach wrote at 14:33:31
>> 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
>
> No, I've these settings :
>
> tfoerste@n22 ~ $ zgrep -e OBJ -e SLAB -e SLUB /proc/config.gz  | grep -v '#'
> CONFIG_SLUB_DEBUG=y
> CONFIG_SLUB=y
> CONFIG_SLABINFO=y
>

Would you please try the patchset of Rik?

         https://lkml.org/lkml/2012/1/26/374

Good weekend
Hillf
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