mm: Initialise per_cpu_nodestats for all online pgdats at boot

[Reza Arbab]

On Thu, Aug 04, 2016 at 10:24:04AM +0100, Mel Gorman wrote:
>This has been compile-tested and boot-tested on a 32-bit KVM only. A
>memoryless system was not available to test the patch with. A confirmation
>from Paul and Reza that it resolves their problem is welcome.

Works for me. Thanks, Mel!

Tested-by: Reza Arbab <arbab at linux.vnet.ibm.com>

-- 
Reza Arbab