From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jon Masters <jonathan@jonmasters.org>
Subject: Re: [PATCH] netfilter: per netns nf_conntrack_cachep
Date: Wed, 03 Feb 2010 14:53:58 -0500
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Cc: Patrick McHardy <kaber@trash.net>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	netdev <netdev@vger.kernel.org>,
	netfilter-devel <netfilter-devel@vger.kernel.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <20100203195153.GA5576@x200>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: netdev.vger.kernel.org

On Wed, 2010-02-03 at 21:51 +0200, Alexey Dobriyan wrote:
> On Wed, Feb 03, 2010 at 02:43:47PM -0500, Jon Masters wrote:
> > On Wed, 2010-02-03 at 21:09 +0200, Alexey Dobriyan wrote:
> > > On Wed, Feb 03, 2010 at 01:38:09PM -0500, Jon Masters wrote:

> > > > I also think it is necessary to expose net namespace layout
> > > 
> > > Not necessary. Why?
> > 
> > How am I as a sysadmin supposed to figure out which net namespaces exist
> > on my system, and as a developer, supposed to debug these situations?
> 
> We don't expose many relations to userspace, and it's generally fine.

I can see slabs via /proc, memory layout, heck I can even expose the
kernel page tables if I really want to. I guess that's not too many :)

> As a developer you fire a debugger and look at net_namespace_list.

Yeah, but being able to cat a nice file is always handy.

Jon.