From: Herbert Xu <[EMAIL PROTECTED]>
Date: Fri, 31 Aug 2007 17:09:15 +0800

> [NET] skbuff: Add skb_cow_head
> 
> This patch adds an optimised version of skb_cow that avoids the copy if
> the header can be modified even if the rest of the payload is cloned.
> 
> This can be used in encapsulating paths where we only need to modify the
> header.  As it is, this can be used in PPPOE and bridging.
> 
> Signed-off-by: Herbert Xu <[EMAIL PROTECTED]>

Applied, thanks Herbert.
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