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authorChristoph Lameter <clameter@sgi.com>2006-09-26 08:31:55 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-26 17:48:52 +0200
commit89fa30242facca249aead2aac03c4c69764f911c (patch)
tree1ac46b4777b819f2a4793d8e37330576ae5089ec /mm/oom_kill.c
parent[PATCH] Hugepages: Use page_to_nid rather than traversing zone pointers (diff)
downloadlinux-89fa30242facca249aead2aac03c4c69764f911c.tar.xz
linux-89fa30242facca249aead2aac03c4c69764f911c.zip
[PATCH] NUMA: Add zone_to_nid function
There are many places where we need to determine the node of a zone. Currently we use a difficult to read sequence of pointer dereferencing. Put that into an inline function and use throughout VM. Maybe we can find a way to optimize the lookup in the future. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/oom_kill.c')
-rw-r--r--mm/oom_kill.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index f1c0ef1fd21f..bada3d03119f 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -177,8 +177,7 @@ static inline int constrained_alloc(struct zonelist *zonelist, gfp_t gfp_mask)
for (z = zonelist->zones; *z; z++)
if (cpuset_zone_allowed(*z, gfp_mask))
- node_clear((*z)->zone_pgdat->node_id,
- nodes);
+ node_clear(zone_to_nid(*z), nodes);
else
return CONSTRAINT_CPUSET;