* [PATCH 3/3] balancenuma: set last_nid on tail page
@ 2012-11-27 13:22 Hillf Danton
2012-11-27 14:42 ` Mel Gorman
0 siblings, 1 reply; 2+ messages in thread
From: Hillf Danton @ 2012-11-27 13:22 UTC (permalink / raw)
To: Mel Gorman; +Cc: LKML, Hillf Danton
Pass last_nid from head page to tail page.
Signed-off-by: Hillf Danton <dhillf@gmail.com>
---
--- a/mm/huge_memory.c Tue Nov 27 20:45:56 2012
+++ b/mm/huge_memory.c Tue Nov 27 20:54:54 2012
@@ -1382,6 +1382,7 @@ static void __split_huge_page_refcount(s
page_tail->mapping = page->mapping;
page_tail->index = page->index + i;
+ page_xchg_last_nid(page_tail, page_last_nid(page));
BUG_ON(!PageAnon(page_tail));
BUG_ON(!PageUptodate(page_tail));
--
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2012-11-27 13:22 [PATCH 3/3] balancenuma: set last_nid on tail page Hillf Danton
2012-11-27 14:42 ` Mel Gorman
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