From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: [PATCH] netfilter: per netns nf_conntrack_cachep Date: Tue, 02 Feb 2010 19:36:31 +0100 Message-ID: <4B6870AF.6060109@trash.net> References: <1264813832.2793.446.camel@tonnant> <1265023437.2848.30.camel@edumazet-laptop> <1265035970.2848.50.camel@edumazet-laptop> <1265036548.2848.55.camel@edumazet-laptop> <1265108690.2861.118.camel@tonnant> <1265110504.2861.135.camel@tonnant> <1265129192.2861.141.camel@tonnant> <4B685756.8010107@trash.net> <1265130426.2861.158.camel@tonnant> <1265134598.2861.191.camel@tonnant> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: Alexey Dobriyan , Eric Dumazet , linux-kernel , netdev , netfilter-devel , "Paul E. McKenney" To: Jon Masters Return-path: Received: from stinky.trash.net ([213.144.137.162]:35939 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756716Ab0BBSge (ORCPT ); Tue, 2 Feb 2010 13:36:34 -0500 In-Reply-To: <1265134598.2861.191.camel@tonnant> Sender: netfilter-devel-owner@vger.kernel.org List-ID: 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.