netdev - Re: [net-next PATCH 2/3] net: use the frag lru_lock to protect netns

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Message-ID: <1364401308.15753.23.camel@edumazet-glaptop>
Date:	Wed, 27 Mar 2013 09:21:48 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jesper Dangaard Brouer <brouer@...hat.com>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Florian Westphal <fw@...len.de>,
	Daniel Borkmann <dborkman@...hat.com>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: Re: [net-next PATCH 2/3] net: use the frag lru_lock to protect
 netns_frags.nqueues update

On Wed, 2013-03-27 at 16:55 +0100, Jesper Dangaard Brouer wrote:
> Move the protection of netns_frags.nqueues updates under the LRU_lock,
> instead of the write lock.  As they are located on the same cacheline,
> and this is also needed when transitioning to use per hash bucket locking.
> 
> Signed-off-by: Jesper Dangaard Brouer <brouer@...hat.com>
> ---

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


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