From: Christoph Lameter <clameter@sgi.com>

We do not need to allocate pagesets for unpopulated zones.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 mm/page_alloc.c |    3 +++
 1 files changed, 3 insertions(+)

diff -puN mm/page_alloc.c~do-not-allocate-pagesets-for-unpopulated-zones mm/page_alloc.c
--- a/mm/page_alloc.c~do-not-allocate-pagesets-for-unpopulated-zones
+++ a/mm/page_alloc.c
@@ -1815,6 +1815,9 @@ static int __cpuinit process_zones(int c
 
 	for_each_zone(zone) {
 
+		if (!populated_zone(zone))
+			continue;
+
 		zone_pcp(zone, cpu) = kmalloc_node(sizeof(struct per_cpu_pageset),
 					 GFP_KERNEL, cpu_to_node(cpu));
 		if (!zone_pcp(zone, cpu))
_