From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] net: avoid one atomic operation in skb_clone()
Date: Wed, 01 Oct 2014 21:27:48 -0400 (EDT)
Message-ID: <20141001.212748.2188434550553073923.davem@davemloft.net>
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 01 Oct 2014 15:27:15 -0700

> From: Eric Dumazet <edumazet@google.com>
> 
> Fast clone cloning can actually avoid an atomic_inc(), if we
> guarantee prior clone_ref value is 1.
> 
> This requires a change kfree_skbmem(), to perform the 
> atomic_dec_and_test() on clone_ref before setting fclone to
> SKB_FCLONE_UNAVAILABLE.
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>

Applied, thanks Eric.