From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junchang Wang <junchangwang@gmail.com>
Subject: Re: [PATCH v2] netdev:bfin_mac: reclaim and free tx skb as soon as
	possible after transfer
Date: Thu, 3 Jun 2010 18:54:40 +0800
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Cc: netdev <netdev@vger.kernel.org>
To: Eric Dumazet <eric.dumazet@gmail.com>
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>
> As I said, core network takes care of three counters only, because it
> was 'free', as they share a cache line with a spinlock we must hold when
> calling xmit function.
>
> In receive path, we dont dirty a cache line in core network, so updating
> counters would add a cost. (modern NICs handle stats in firmware)
>
That's really resolve my doubts about lack of RX stats in kernel stack.

Thanks Eric.

-- 
--Junchang