[PATCH 2/9] v3 Add mutex for adding/removing memory blocks

[KAMEZAWA Hiroyuki]

On Fri, 01 Oct 2010 13:29:42 -0500
Nathan Fontenot <nfont at austin.ibm.com> wrote:

> Add a new mutex for use in adding and removing of memory blocks.  This
> is needed to avoid any race conditions in which the same memory block could
> be added and removed at the same time.
> 
> Signed-off-by: Nathan Fontenot <nfont at austin.ibm.com>
> 
Reviewed-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com>