[PATCH] Do not allocate pagesets for unpopulated zones.
authorChristoph Lameter <clameter@sgi.com>
Wed, 27 Sep 2006 08:50:09 +0000 (01:50 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Wed, 27 Sep 2006 15:26:13 +0000 (08:26 -0700)
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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
mm/page_alloc.c

index d0432e4..490aee1 100644 (file)
@@ -1829,6 +1829,9 @@ static int __cpuinit process_zones(int cpu)
 
        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))