net: netdev_alloc_skb() use build_skb()

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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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Eric Dumazet 2012-05-17 07:34:16 +00:00 • committed by David S. Miller

parent 1de5a71c3e

commit a1c7fff7e1

1 changed files with 31 additions and 1 deletions

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net/core/skbuff.c

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