netdev - Re: [PATCH 5/5] netfilter: xt_TEE: have cloned packet travel through Xtables too

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Date:	Tue, 6 Apr 2010 18:14:54 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	Patrick McHardy <kaber@...sh.net>
cc:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 5/5] netfilter: xt_TEE: have cloned packet travel through
 Xtables too


On Thursday 2010-04-01 15:22, Patrick McHardy wrote:
>> Or should we be using skb_alloc and copying the data portion over, like 
>> ipt_REJECT does since v2.6.24-2931-g9ba99b0?
>
>I guess pskb_copy() would be most optimal since we can modify
>the header, but the non-linear area could be shared

Trying to improve my understanding: when doing skb_pull,
does the skb->head that is relevant for pskb_copy move?
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