netdev - Re: [PATCH net-next] net: netdev_alloc_skb() use build

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Message-Id: <20120517.155318.1557653193070030300.davem@davemloft.net>
Date:	Thu, 17 May 2012 15:53:18 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	w@....eu, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: netdev_alloc_skb() use build_skb()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 17 May 2012 19:34:16 +0200

> [PATCH net-next] net: netdev_alloc_skb() use build_skb()
> 
> netdev_alloc_skb() is used by networks driver in their RX path to
> allocate an skb to receive an incoming frame.
> 
> With recent skb->head_frag infrastructure, it makes sense to change
> netdev_alloc_skb() to use build_skb() and a frag allocator.
> 
> This permits a zero copy splice(socket->pipe), and better GRO or TCP
> coalescing.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, we can sort out any fallout very easily before 3.5 is released.

Awesome work Eric.
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