From: "Denis V. Lunev" <den@openvz.org>
Date: Tue, 11 Dec 2007 14:55:07 +0300

> Recently David Miller and Herbert Xu pointed out that struct net becomes
> overbloated and un-maintainable. There are two solutions:
> - provide a pointer to a network subsystem definition from struct net.
>   This costs an additional dereferrence
> - place sub-system definition into the structure itself. This will speedup
>   run-time access at the cost of recompilation time
> 
> The second approach looks better for us. Other sub-systems will follow.
> 
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>

Applied.