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skbuff.h: Fix comment for NET_IP_ALIGN

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Use the correct function call for skb_reserve in the comment for
NET_IP_ALIGN.

Signed-off-by: Tobias Klauser <klto@zhaw.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Klauser 2009-07-13 22:48:16 +00:00 committed by David S. Miller
parent 79fbe13483
commit 8660c1240e
1 changed files with 2 additions and 2 deletions
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4
include/linux/skbuff.h
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@ -1342,12 +1342,12 @@ static inline int skb_network_offset(const struct sk_buff *skb)
* shifting the start of the packet by 2 bytes. Drivers should do this
* with:
*
* skb_reserve(NET_IP_ALIGN);
* skb_reserve(skb, NET_IP_ALIGN);
*
* The downside to this alignment of the IP header is that the DMA is now
* unaligned. On some architectures the cost of an unaligned DMA is high
* and this cost outweighs the gains made by aligning the IP header.
*
*
* Since this trade off varies between architectures, we allow NET_IP_ALIGN
* to be overridden.
*/