From: Phil Sutter <phil@nwl.cc>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org,
ne@erfurth.eu, Johann Baudy <johann.baudy@gnu-log.net>,
Lennert Buytenhek <kernel@wantstofly.org>,
Nicolas Pitre <nico@fluxnic.net>
Subject: Re: ARM, AF_PACKET: caching problems on Marvell Kirkwood
Date: Fri, 6 May 2011 18:12:09 +0200 [thread overview]
Message-ID: <20110506161209.GB20777@orbit.nwl.cc> (raw)
In-Reply-To: <1304607362.3032.84.camel@edumazet-laptop>
Hi,
On Thu, May 05, 2011 at 04:56:02PM +0200, Eric Dumazet wrote:
> I assume you use latest linux-2.6 or net-next-2.6 ?
Well, initially we noticed the problem on 2.6.34.7, but I verified it
against both 2.6.37 and linux-2.6 from three days ago.
> Could you try to force vmalloc() use ?
>
> diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
> index b5362e9..0b5a89c 100644
> --- a/net/packet/af_packet.c
> +++ b/net/packet/af_packet.c
> @@ -2383,7 +2383,7 @@ static inline char *alloc_one_pg_vec_page(unsigned long order)
> gfp_t gfp_flags = GFP_KERNEL | __GFP_COMP |
> __GFP_ZERO | __GFP_NOWARN | __GFP_NORETRY;
>
> - buffer = (char *) __get_free_pages(gfp_flags, order);
> + buffer = NULL;
>
> if (buffer)
> return buffer;
Thanks for the hint. I tried that, but the problem persists.
Greetings, Phil
next prev parent reply other threads:[~2011-05-06 16:12 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-08 13:06 ARM, AF_PACKET: caching problems on Marvell Kirkwood Phil Sutter
2011-05-05 14:11 ` Phil Sutter
2011-05-05 14:56 ` Eric Dumazet
2011-05-06 16:12 ` Phil Sutter [this message]
2011-05-05 19:46 ` Andrew Lunn
2011-05-06 16:17 ` Phil Sutter
2011-05-09 8:59 ` Phil Sutter
2011-05-25 10:32 ` Phil Sutter
2011-09-02 11:08 ` [PATCH] af_packet: flush complete kernel cache in packet_sendmsg Phil Sutter
2011-09-02 13:46 ` Ben Hutchings
2011-09-02 13:59 ` Phil Sutter
2011-09-02 17:28 ` Russell King - ARM Linux
2011-09-05 19:57 ` Phil Sutter
2011-09-06 9:57 ` Russell King - ARM Linux
2011-09-06 11:05 ` Phil Sutter
[not found] ` <D3F292ADF945FB49B35E96C94C2061B90A239361@nsmail.netscout.com>
2011-09-02 14:00 ` FW: " chetan loke
2011-09-02 15:31 ` Phil Sutter
2011-09-02 16:49 ` chetan loke
2011-09-06 9:44 ` Phil Sutter
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