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mm: numa: split_huge_page: Transfer last_nid on tail page
author
Hillf Danton
<dhillf@gmail.com>
Tue, 27 Nov 2012 14:40:32 +0000
(14:40 +0000)
committer
Mel Gorman
<mgorman@suse.de>
Tue, 11 Dec 2012 14:42:53 +0000
(14:42 +0000)
Pass last_nid from head page to tail page.
Signed-off-by: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Mel Gorman <mgorman@suse.de>
mm/huge_memory.c
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diff --git
a/mm/huge_memory.c
b/mm/huge_memory.c
index f3a477fffd09b54fad0eb5b3381a58960d76e9d1..79b96064f8fc7a3c63b300d5c5516397e2454122 100644
(file)
--- a/
mm/huge_memory.c
+++ b/
mm/huge_memory.c
@@
-1362,6
+1362,7
@@
static void __split_huge_page_refcount(struct page *page)
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));