netdev - Re: [PATCH net-next-2.6] net: pskb_expand

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Message-Id: <20100906.182530.116366191.davem@davemloft.net>
Date:	Mon, 06 Sep 2010 18:25:30 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] net: pskb_expand_head() optimization

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 03 Sep 2010 11:09:32 +0200

> [PATCH net-next-2.6] net: pskb_expand_head() optimization
> 
> pskb_expand_head() blindly takes references on fragments before calling
> skb_release_data(), potentially releasing these references.
> 
> We can add a fast path, avoiding these atomic operations, if we own the
> last reference on skb->head.
> 
> Based on a previous patch from David
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Eric, I ended up applying this patch after all, thanks!
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