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| author | Christoph Lameter <clameter@sgi.com> | 2006-09-27 01:50:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-27 08:26:13 -0700 |
| commit | d5f541ed6e31518508c688912e7464facf253c87 (patch) | |
| tree | 028d296306e247ca32ec5db398d365dcd70d26b7 /include/linux/mm.h | |
| parent | 765c4507af71c39aba21006bbd3ec809fe9714ff (diff) | |
| download | kernel-crypto-d5f541ed6e31518508c688912e7464facf253c87.tar.gz kernel-crypto-d5f541ed6e31518508c688912e7464facf253c87.tar.xz kernel-crypto-d5f541ed6e31518508c688912e7464facf253c87.zip | |
[PATCH] Add node to zone for the NUMA case
Add the node in order to optimize zone_to_nid.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 7477fb59c4f..8e433bbc6e7 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -446,7 +446,11 @@ static inline struct zone *page_zone(struct page *page) static inline unsigned long zone_to_nid(struct zone *zone) { - return zone->zone_pgdat->node_id; +#ifdef CONFIG_NUMA + return zone->node; +#else + return 0; +#endif } static inline unsigned long page_to_nid(struct page *page) |