linux-kernel - Re: kswapd0: excessive CPU usage

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Message-ID: <50A9320D.4060700@suse.cz>
Date:	Sun, 18 Nov 2012 20:07:57 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	Zdenek Kabelac <zkabelac@...hat.com>
CC:	Mel Gorman <mgorman@...e.de>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Jiri Slaby <jirislaby@...il.com>, Valdis.Kletnieks@...edu,
	linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Robert Jennings <rcj@...ux.vnet.ibm.com>
Subject: Re: kswapd0: excessive CPU usage

On 11/18/2012 08:00 PM, Zdenek Kabelac wrote:
> For some reason my machine went ouf of memory and OOM killed
> firefox and then even whole Xsession.
> 
> Unsure whether it's related to those 2 patches - but I've never had
> such OOM failure before.

As I wrote, this would be me:
https://lkml.org/lkml/2012/11/15/150

There is no -next tree for Friday which would contain the set already.
So for now, it should be enough for you to apply:
https://lkml.org/lkml/2012/11/15/95

Or, alternatively, if you use a brand new systemd, it likes to fork bomb
using udev.

thanks,
-- 
js
suse labs
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