path: root/mm/vmscan.c
diff options
authorChristoph Lameter <clameter@sgi.com>2007-10-16 01:25:36 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:42:58 -0700
commit37c0708dbee5825df3bd9ce6ef2199c6c1713970 (patch)
tree747551aa58484e7f872da118b864c8f3ca6e892d /mm/vmscan.c
parentMemoryless nodes: Update memory policy and page migration (diff)
Memoryless nodes: Add N_CPU node state
We need the check for a node with cpu in zone reclaim. Zone reclaim will not allow remote zone reclaim if a node has a cpu. [Lee.Schermerhorn@hp.com: Move setup of N_CPU node state mask] Signed-off-by: Christoph Lameter <clameter@sgi.com> Tested-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Acked-by: Bob Picco <bob.picco@hp.com> Cc: Nishanth Aravamudan <nacc@us.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@skynet.ie> Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 876568847b71..8fd8ba1c67b4 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1853,7 +1853,6 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
- cpumask_t mask;
int node_id;
@@ -1890,8 +1889,7 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
* as wide as possible.
node_id = zone_to_nid(zone);
- mask = node_to_cpumask(node_id);
- if (!cpus_empty(mask) && node_id != numa_node_id())
+ if (node_state(node_id, N_CPU) && node_id != numa_node_id())
return 0;
return __zone_reclaim(zone, gfp_mask, order);