From: Pavel Emelyanov <xemul@openvz.org>
Date: Tue, 22 Jan 2008 16:57:06 +0300

> Since fragment management code is consolidated, we
> cannot have the pointer from inet_frag_queue to
> struct net, since we must know what king of fragment
> this is.
> 
> So, I introduce the netns_frags structure. This one
> is currently empty, but will be eventually filled with
> per-namespace attributes. Each inet_frag_queue is
> tagged with this one.
> 
> The conntrack_reasm is not "netns-izated", so it has
> one statis netns_frags instance to keep working in
> init namespace.
> 
> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>

Applied.