From: Eric Dumazet <edumazet@google.com>
Date: Thu, 17 May 2012 07:34:16 +0000 (+0000)
Subject: net: netdev_alloc_skb() use build_skb()
X-Git-Tag: v3.5-rc1~109^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a1c7fff7e18f59e684e07b0f9a770561cd39f395;p=pandora-kernel.git

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@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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