[RFC PATCH 1/3] ARM: mm: Add discontiguous memory support.

[Russell King - ARM Linux]

On Wed, Dec 12, 2012 at 05:40:47PM +0000, Steve Capper wrote:
> This patch adds support for discontiguous memory, with a view to
> each discontiguous block being assigned to a NUMA node (in a future
> patch).
> 
> Discontiguous memory should only be used to back NUMA on systems
> where sparse memory is not available.

Err, we had this, and then we ripped it all out.  Do we have any NUMA ARM
systems?  I don't think we do.