From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 1 Sep 2010 05:25:10 +0000 (+0000)
Subject: net: skbuff.c cleanup
X-Git-Tag: v2.6.37-rc1~147^2~595
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6602cebb5bcac1fccf2850541f8bf9fcc8c86dee;p=pandora-kernel.git

net: skbuff.c cleanup

(skb->data - skb->head) can be changed by skb_headroom(skb)

Remove some uses of NET_SKBUFF_DATA_USES_OFFSET, using
(skb_end_pointer(skb) - skb->head) or
(skb_tail_pointer(skb) - skb->head) : compiler does the right thing,
and this is more readable for us ;)

(struct skb_shared_info *) casts in pskb_expand_head() to help memcpy()
to use aligned moves.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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