netdev - Re: [PATCH] netfilter: per netns nf_conntrack

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Date:	Tue, 02 Feb 2010 19:36:31 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Jon Masters <jonathan@...masters.org>
CC:	Alexey Dobriyan <adobriyan@...il.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	netfilter-devel <netfilter-devel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH] netfilter: per netns nf_conntrack_cachep

Jon Masters wrote:
> On Tue, 2010-02-02 at 19:58 +0200, Alexey Dobriyan wrote:
> 
>> Yes, moving to init_net-only function is fine.
> 
> So moving the "setup up fake conntrack" bits to init_init_net from
> init_net still results in the panic, which means that the use count
> really is dropping to zero and we really are trying to free it when
> using multiple namespaces. Per ns is probably an easier way to go.

Agreed, that will also avoid problems in the future with the
ct_net pointer pointing to &init_net. I'll take care of this
tommorrow.
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