linux-kernel - Re: 2.6.21-rc3-mm1

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Message-Id: <20070314170738.d5d35c06.akpm@linux-foundation.org>
Date:	Wed, 14 Mar 2007 17:07:38 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Mariusz Kozlowski <m.kozlowski@...land.pl>
Cc:	linux-kernel@...r.kernel.org, Mel Gorman <mel@....ul.ie>
Subject: Re: 2.6.21-rc3-mm1

> On Wed, 14 Mar 2007 20:06:02 +0100 Mariusz Kozlowski <m.kozlowski@...land.pl> wrote:
> Hello,
> 
> 	Today after +- 24h of uptime I found some more page allocation
> failures ('eth1: Can't allocate skb for Rx'). You'll find more here:
> 
> http://tuxland.pl/misc/2.6.21-rc3-mm1-page-allocation-failure.txt
> 
> System wasn't doing anything unusual, as usual ;-) X, some p2p 
> software, firefox+flash playing music.
> 

Do other kernels do this, or is 2.6.21-rc3-mm1 worse?

It is of course a non-fatal problem and will inevitably happen sometimes,
but we would like the VM to be able to minimise the occurrence of this
problem.

I think we were rather hoping that Mel's anti-fragmentation work would
improve things.
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