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

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Message-ID: <4F33D2F1.5000606@redhat.com>
Date:	Thu, 09 Feb 2012 09:06:41 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Johannes Stezenbach <js@...21.net>
CC:	Hillf Danton <dhillf@...il.com>,
	Toralf Förster <toralf.foerster@....de>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: swap storm since kernel 3.2.x

On 02/09/2012 08:54 AM, Johannes Stezenbach wrote:
> On Thu, Feb 09, 2012 at 02:21:55PM +0100, Johannes Stezenbach wrote:
>> it looks good.  Neither do I get the huge debug_objects_cache
>> nor does it swap, after running a crosstool-ng toolchain build.
>> Well, last time I also had one kvm -m 1G instance running.  I'll
>> try if that triggers the issue.  So far:
>
> The kvm produced a bunch of page allocation failures
> on the host:

> (repeats a few times)
>
> I guess that is expected with your patch?

That is indeed why my patch series was significantly larger
than Hillf's little test patch :)

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