[PATCH 38/49] mm: numa: migrate: Set last_nid on newly allocated page

From: Mel Gorman
Date: Fri Dec 07 2012 - 05:27:58 EST


From: Hillf Danton <dhillf@xxxxxxxxx>

Pass last_nid from misplaced page to newly allocated migration target page.

Signed-off-by: Hillf Danton <dhillf@xxxxxxxxx>
Signed-off-by: Mel Gorman <mgorman@xxxxxxx>
---
mm/migrate.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/mm/migrate.c b/mm/migrate.c
index 2c8310c..6bc9745 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1457,6 +1457,9 @@ static struct page *alloc_misplaced_dst_page(struct page *page,
__GFP_NOMEMALLOC | __GFP_NORETRY |
__GFP_NOWARN) &
~GFP_IOFS, 0);
+ if (newpage)
+ page_xchg_last_nid(newpage, page_last_nid(page));
+
return newpage;
}

--
1.7.9.2

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