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authorChristoph Lameter <clameter@sgi.com>2007-10-16 01:25:30 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:42:58 -0700
commitee31af5d649d8aa6ac7948a6d97ae48367ff2d7e (patch)
tree8a16d8c15b8b56058b905c2b83a3a5f8112746c4 /mm
parent6eaf806a223e61dc5f2de4ab591f11beb97a8f3b (diff)
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Memoryless nodes: OOM: use N_HIGH_MEMORY map instead of constructing one on the fly
constrained_alloc() builds its own memory map for nodes with memory. We have that available in N_HIGH_MEMORY now. So simplify the code. Signed-off-by: Christoph Lameter <clameter@sgi.com> Acked-by: Nishanth Aravamudan <nacc@us.ibm.com> Acked-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Acked-by: Bob Picco <bob.picco@hp.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@skynet.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/oom_kill.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index f9b82ad..41b4e36 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -177,14 +177,7 @@ static inline int constrained_alloc(struct zonelist *zonelist, gfp_t gfp_mask)
{
#ifdef CONFIG_NUMA
struct zone **z;
- nodemask_t nodes;
- int node;
-
- nodes_clear(nodes);
- /* node has memory ? */
- for_each_online_node(node)
- if (NODE_DATA(node)->node_present_pages)
- node_set(node, nodes);
+ nodemask_t nodes = node_states[N_HIGH_MEMORY];
for (z = zonelist->zones; *z; z++)
if (cpuset_zone_allowed_softwall(*z, gfp_mask))