From: Christoph Lameter <clameter@sgi.com>
Date: Wed, 27 Sep 2006 08:50:10 +0000 (-0700)
Subject: [PATCH] zone_statistics: Use hot node instead of cold zone_pgdat
X-Git-Tag: v2.6.19-rc1~965
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=5d2923436217ba8bd05c5ee157712a391891c382;p=linux-2.6-omap-h63xx.git

[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 69c657132e1..a2b6a9f96e5 100644
--- 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);