netdev - Re: [Patch net-next] net: make neigh tables per netns

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Date:	Wed, 25 Jun 2014 16:33:49 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	xiyou.wangcong@...il.com
Cc:	netdev@...r.kernel.org, kaber@...sh.net,
	stephen@...workplumber.org, cwang@...pensource.com,
	ebiederm@...ssion.com
Subject: Re: [Patch net-next] net: make neigh tables per netns

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Mon, 23 Jun 2014 15:09:30 -0700

> From: Cong Wang <cwang@...pensource.com>
> 
> Different net namespaces have different devices, routes, neighbours,
> so their neigh table should be separated as well. This patch makes
> gloable arp_tbl and nd_tbl etc. be per netns.
> 
> Also, as we don't support multiple tables per family, there is no
> point to make tables chained by linked list, they can just be
> statically compiled. This will eliminate the global neigh_tbl_lock.
> 
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Patrick McHardy <kaber@...sh.net>
> Cc: stephen hemminger <stephen@...workplumber.org>
> Signed-off-by: Cong Wang <cwang@...pensource.com>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

Eric and any other networking namespace experts, please review this.

Thanks.
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