[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>
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Linus Torvalds
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@ -446,7 +446,11 @@ static inline struct zone *page_zone(struct page *page)
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static inline unsigned long zone_to_nid(struct zone *zone)
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{
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return zone->zone_pgdat->node_id;
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#ifdef CONFIG_NUMA
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return zone->node;
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#else
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return 0;
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#endif
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}
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static inline unsigned long page_to_nid(struct page *page)
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