linux-kernel - Re: [PATCH] netfilter: per netns nf_conntrack

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Date:	Tue, 02 Feb 2010 06:04:50 -0500
From:	Jon Masters <jonathan@...masters.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Alexey Dobriyan <adobriyan@...il.com>,
	Patrick McHardy <kaber@...sh.net>,
	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

On Mon, 2010-02-01 at 16:02 +0100, Eric Dumazet wrote:
> Le lundi 01 février 2010 à 16:58 +0200, Alexey Dobriyan a écrit :
> > On Mon, Feb 1, 2010 at 4:52 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> > > +       net->ct.nf_conntrack_cachep = kmem_cache_create("nf_conntrack",
> > > +                                                       sizeof(struct nf_conn), 0,
> > > +                                                       SLAB_DESTROY_BY_RCU, NULL);
> > 
> > Duplicate slab name detected.
> > 
> 
> OK, need to build an unique name I guess... "nf_conntrack-%d", net->id

I shoved in an kasprintf but of course there isn't a per-namespace "id".
We probably should have one (or, a nice "name"), but meanwhile I am
using the address of the net struct like "nf_ct-%p".

Jon.


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