[PATCH] powerpc: enable CONFIG_HAVE_MEMORYLESS_NODES

[Christoph Lameter]

On Tue, 28 Jan 2014, Nishanth Aravamudan wrote:

> Anton Blanchard found an issue with an LPAR that had no memory in Node
> 0. Christoph Lameter recommended, as one possible solution, to use
> numa_mem_id() for locality of the nearest memory node-wise. However,
> numa_mem_id() [and the other related APIs] are only useful if
> CONFIG_HAVE_MEMORYLESS_NODES is set. This is only the case for ia64
> currently, but clearly we can have memoryless nodes on ppc64. Add the
> Kconfig option and define it to be the same value as CONFIG_NUMA.

Well this is trivial but if you need encouragement:

Reviewed-by: Christoph Lameter <cl at linux.com>