Re: [PATCH 1/4 net-next] net: allow skb->head to be a page fragment
From: David Miller <davem@davemloft.net>
Date: 2012-05-01 01:48:28
From: Eric Dumazet <redacted> Date: Fri, 27 Apr 2012 12:33:38 +0200
From: Eric Dumazet <edumazet@google.com> skb->head is currently allocated from kmalloc(). This is convenient but has the drawback the data cannot be converted to a page fragment if needed.
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Given all these issues, the following patch introduces the possibility of having skb->head be a fragment in itself. We use a new skb flag, skb->head_frag to carry this information.
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Signed-off-by: Eric Dumazet <edumazet@google.com>
Applied.