From: Bo Liu <bo-liu@hotmail.com>
To: akpm@linux-foundation.org
Subject: [PATCH] mv clear node_load[] to __build_all_zonelists()
Date: Thu, 6 Aug 2009 18:44:40 +0800 [thread overview]
Message-ID: <COL115-W869FC30815A7D5B7A63339F0A0@phx.gbl> (raw)
If node_load[] is cleared everytime build_zonelists() is called,node_load[]
will have no help to find the next node that should appear in the given node's
fallback list.
Signed-off-by: Bob Liu
---
mm/page_alloc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d052abb..72f7345 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2544,7 +2544,6 @@ static void build_zonelists(pg_data_t *pgdat)
prev_node = local_node;
nodes_clear(used_mask);
- memset(node_load, 0, sizeof(node_load));
memset(node_order, 0, sizeof(node_order));
j = 0;
@@ -2653,6 +2652,7 @@ static int __build_all_zonelists(void *dummy)
{
int nid;
+ memset(node_load, 0, sizeof(node_load));
for_each_online_node(nid) {
pg_data_t *pgdat = NODE_DATA(nid);
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next reply other threads:[~2009-08-06 10:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-06 10:44 Bo Liu [this message]
2009-08-06 10:50 ` KAMEZAWA Hiroyuki
2009-08-17 21:34 ` Andrew Morton
2009-08-18 0:12 ` KAMEZAWA Hiroyuki
2009-08-18 9:28 ` Bo Liu
2009-08-06 10:49 [PATCH] mv clear node_load[] to __build_all_zonelists() Bob Liu
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