netdev - Re: [PATCH net-next] net: splice: avoid high order page splitting

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Message-Id: <20130106.210743.46446075597784928.davem@davemloft.net>
Date:	Sun, 06 Jan 2013 21:07:43 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	w@....eu, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: splice: avoid high order page splitting

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Sat, 05 Jan 2013 23:31:18 -0800

> From: Eric Dumazet <edumazet@...gle.com>
>  
> splice() can handle pages of any order, but network code tries hard to
> split them in PAGE_SIZE units. Not quite successfully anyway, as
> __splice_segment() assumed poff < PAGE_SIZE. This is true for
> the skb->data part, not necessarily for the fragments.
> 
> This patch removes this logic to give the pages as they are in the skb.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied.
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