netdev - Re: 2.6.26: [<c0133cc1>] __alloc_pages

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Message-Id: <20080723.234556.98132946.davem@davemloft.net>
Date:	Wed, 23 Jul 2008 23:45:56 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	pupilla@...mail.com
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: 2.6.26: [<c0133cc1>] __alloc_pages_internal+0x331/0x343

From: "Marco Berizzi" <pupilla@...mail.com>
Date: Thu, 24 Jul 2008 08:39:48 +0200

> Jul 23 12:40:02 Electra kernel: crond: page allocation failure. order:5,
> mode:0x4020
> Jul 23 12:40:02 Electra kernel: Pid: 586, comm: crond Not tainted 2.6.26
> #1
> Jul 23 12:40:02 Electra kernel:  [<c0135e93>]
> __alloc_pages_internal+0x226/0x393
> Jul 23 12:40:02 Electra kernel:  [<c0136007>] __alloc_pages+0x7/0x9
> Jul 23 12:40:02 Electra kernel:  [<c013602a>] __get_free_pages+0x16/0x32
> Jul 23 12:40:03 Electra kernel:  [<c024d2a5>]
> pskb_expand_head+0x41/0x164
> Jul 23 12:40:03 Electra kernel:  [<c029a6b4>]
> ipcomp_decompress+0x60/0xa1

ipcomp_decompress() should probably be changed to try and build
a scatterlist of pages for the resulting packet SKB data instead
of building a linear buffer as it does now.
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