linux-kernel - Re: What to do with `kswapd0: page allocation failure. ` ?

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Message-Id: <20080726184636.3175.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Sat, 26 Jul 2008 18:47:07 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Udo van den Heuvel <udovdh@...all.nl>
Cc:	kosaki.motohiro@...fujitsu.com, LKML <linux-kernel@...r.kernel.org>
Subject: Re: What to do with `kswapd0: page allocation failure. ` ?

> > no bug.
> > this stack trace speak to
> > 
> > 1. memory pressure increased
> > 2. kswapd ran
> > 3. network packet received
> > 4. interrupt for network happend
> > 5. but can't allocate memory for network buffer(skb).
> > 6. Then, packet dropped
> > 7. Then, warning happend.
> > 
> > your network peer may resend the same packet after few times.
> > no problem.
> 
> Thanks.
> This was on a 4GB AMD X86_64 machine running Fedora 9.
> The memory was not loaded that much. (~2 GB)
> Or was the (largish) file being cached, filling up RAM?

maybe..

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