From: Pavel Emelyanov <xemul@openvz.org>
Date: Wed, 31 Oct 2007 22:32:55 +0300
> This cache is only required to create new namespaces,
> but we won't have them in CONFIG_NET_NS=n case.
>
> Hide it under the appropriate ifdef.
>
> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Applied.