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

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Message-ID: <488AAB54.8070801@xs4all.nl>
Date:	Sat, 26 Jul 2008 06:43:00 +0200
From:	Udo van den Heuvel <udovdh@...all.nl>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: What to do with `kswapd0: page allocation failure. ` ?

KOSAKI Motohiro wrote:
> 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?

Udo

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