netdev - Re: [PATCH net-next] fib: introduce fib_alias

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Message-Id: <20101021.031122.71113787.davem@davemloft.net>
Date:	Thu, 21 Oct 2010 03:11:22 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] fib: introduce fib_alias_accessed() helper

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 21 Oct 2010 10:03:38 +0200

> Perf tools session at NFWS 2010 pointed out a false sharing on struct
> fib_alias that can be avoided pretty easily, if we set FA_S_ACCESSED bit
> only if needed (ie : not already set)
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied.
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