netdev - Re: [PATCH] net: Use a percpu_counter for sockets

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Message-Id: <20081125.211651.252450470.davem@davemloft.net>
Date:	Tue, 25 Nov 2008 21:16:51 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	dada1@...mosbay.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] net: Use a percpu_counter for sockets_allocated

From: Eric Dumazet <dada1@...mosbay.com>
Date: Tue, 25 Nov 2008 23:48:19 +0100

> [PATCH] net: Use a percpu_counter for sockets_allocated
> 
> Instead of using one atomic_t per protocol, use a percpu_counter
> for "sockets_allocated", to reduce cache line contention on
> heavy duty network servers. 
> 
> Note : We revert commit (248969ae31e1b3276fc4399d67ce29a5d81e6fd9
> net: af_unix can make unix_nr_socks visbile in /proc),
> since it is not anymore used after sock_prot_inuse_add() addition
> 
> Signed-off-by: Eric Dumazet <dada1@...mosbay.com>

Applied.
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