netdev - Re: [PATCH] skb: Add skb_head_is

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Message-ID: <1336048262.3752.9.camel@edumazet-glaptop>
Date:	Thu, 03 May 2012 14:31:02 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Alexander Duyck <alexander.h.duyck@...el.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	jeffrey.t.kirsher@...el.com, edumazet@...gle.com
Subject: Re: [PATCH] skb: Add skb_head_is_locked helper function

On Thu, 2012-05-03 at 04:09 -0700, Alexander Duyck wrote:
> This patch adds support for a skb_head_is_locked helper function.  It is
> meant to be used any time we are considering transferring the head from
> skb->head to a paged frag.  If the head is locked it means we cannot remove
> the head from the skb so it must be copied or we must take the skb as a
> whole.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
> ---

Acked-by: Eric Dumazet <edumazet@...gle.com>


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