On Tue, 25 Jan 2011, Anton Blanchard wrote:

> 
> In preparation for creating a hash of spinlocks to replace the global
> hugetlb_instantiation_mutex, protect the region tracking code with
> its own spinlock.
> 
> Signed-off-by: Anton Blanchard <anton@samba.org> 

Reviewed-by: Eric B Munson <emunson@mgebm.net>