[PATCH] zone_statistics: Use hot node instead of cold zone_pgdat

Now that we have the node in the hot zone of struct zone we can avoid
accessing zone_pgdat in zone_statistics.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 69c6571..a2b6a9f 100644 (file)
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -371,7 +371,7 @@ void zone_statistics(struct zonelist *zonelist, struct zone *z)
                __inc_zone_state(z, NUMA_MISS);
                __inc_zone_state(zonelist->zones[0], NUMA_FOREIGN);
        }
-       if (z->zone_pgdat == NODE_DATA(numa_node_id()))
+       if (z->node == numa_node_id())
                __inc_zone_state(z, NUMA_LOCAL);
        else
                __inc_zone_state(z, NUMA_OTHER);