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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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             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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