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Commit 66a55030 authored by Christoph Lameter's avatar Christoph Lameter Committed by Linus Torvalds
Browse files

[PATCH] Do not allocate pagesets for unpopulated zones. 



We do not need to allocate pagesets for unpopulated zones.

Signed-off-by: default avatarChristoph Lameter <clameter@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent d5f541ed

mm/page_alloc.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -1829,6 +1829,9 @@ static int __cpuinit process_zones(int cpu) 




	for_each_zone(zone) {

	for_each_zone(zone) {





		if (!populated_zone(zone))

			continue;



		zone_pcp(zone, cpu) = kmalloc_node(sizeof(struct per_cpu_pageset),

		zone_pcp(zone, cpu) = kmalloc_node(sizeof(struct per_cpu_pageset),

					 GFP_KERNEL, cpu_to_node(cpu));

					 GFP_KERNEL, cpu_to_node(cpu));

		if (!zone_pcp(zone, cpu))

		if (!zone_pcp(zone, cpu))