From: David Miller <davem@davemloft.net>
To: xemul@openvz.org
Cc: netdev@vger.kernel.org, devel@openvz.org
Subject: Re: [PATCH net-2.6.26 3/6][SOCK][NETNS]: Add the percpu prot_inuse counter in the struct net.
Date: Mon, 31 Mar 2008 20:19:14 -0700 (PDT) [thread overview]
Message-ID: <20080331.201914.69779071.davem@davemloft.net> (raw)
In-Reply-To: <47F0D5F3.6070500@openvz.org>
From: Pavel Emelyanov <xemul@openvz.org>
Date: Mon, 31 Mar 2008 16:15:47 +0400
> Such an accounting would cost us two more dereferences to get the
> percpu variable from the struct net, so I make sock_prot_inuse_get
> and _add calls work differently depending on CONFIG_NET_NS - without
> it old optimized routines are used.
>
> The per-cpu counter for init_net is prepared in core_initcall, so
> that even af_inet, that starts as fs_initcall, will already have the
> init_net prepared.
>
> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Applied.
prev parent reply other threads:[~2008-04-01 3:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-31 12:15 [PATCH net-2.6.26 3/6][SOCK][NETNS]: Add the percpu prot_inuse counter in the struct net Pavel Emelyanov
2008-04-01 3:19 ` David Miller [this message]
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