[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>

1 files changed, 1 insertions, 0 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4c76188b1681..d0432e44f77d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2405,6 +2405,7 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat,
                 zone->spanned_pages = size;
                 zone->present_pages = realsize;
 #ifdef CONFIG_NUMA
+                zone->node = nid;
                 zone->min_unmapped_pages = (realsize*sysctl_min_unmapped_ratio)
                                                 / 100;
                 zone->min_slab_pages = (realsize * sysctl_min_slab_ratio) / 100;