[CFT] ipfw SMP-ready dynamic states

[Gleb Smirnoff]

On Tue, Nov 27, 2012 at 02:30:51AM +0400, Alexander V. Chernikov wrote:
A> On 14.11.2012 19:47, Gleb Smirnoff wrote:
A> > On Tue, Nov 13, 2012 at 11:28:23PM +0400, Alexander V. Chernikov wrote:
A> > A>  So, we can do the following:
A> > A>  1) lock increments/decrements via some separate mutex
A> > A>  2) do nothing
A> > A>  3) take some combined approach:
A> >
A> > 4) Take it via uma_zone_getcur(ipfw_dyn_rule_zone);
A> It acquired zone lock to collect per-cpu item data, but
A> uma_zone_set_max() did the trick.
A> >
A> 
A> Patch updated:
A> * UMA zone is now allocated per-VNET instance

Why? This only leads to more waste in allocator.

-- 
Totus tuus, Glebius.