netdev - Re: [PATCH V2] xen: netback: handle compound page fragments on transmit.

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Message-Id: <20121010.225405.819531775702809174.davem@davemloft.net>
Date:	Wed, 10 Oct 2012 22:54:05 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	ian.campbell@...rix.com
Cc:	netdev@...r.kernel.org, xen-devel@...ts.xen.org,
	eric.dumazet@...il.com, konrad@...nel.org, linux@...elenboom.it
Subject: Re: [PATCH V2] xen: netback: handle compound page fragments on
 transmit.

From: Ian Campbell <ian.campbell@...rix.com>
Date: Wed, 10 Oct 2012 14:48:42 +0100

> An SKB paged fragment can consist of a compound page with order > 0.
> However the netchannel protocol deals only in PAGE_SIZE frames.
> 
> Handle this in netbk_gop_frag_copy and xen_netbk_count_skb_slots by
> iterating over the frames which make up the page.
> 
> Signed-off-by: Ian Campbell <ian.campbell@...rix.com>

Applied.
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