| From | Mel Gorman <> | Subject | [PATCH 07/19] mm: numa: split_huge_page: transfer the NUMA type from the pmd to the pte | Date | Tue, 6 Nov 2012 09:14:43 +0000 |
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From: Andrea Arcangeli <aarcange@redhat.com>
When we split a transparent hugepage, transfer the NUMA type from the pmd to the pte if needed.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Mel Gorman <mgorman@suse.de> --- mm/huge_memory.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 40f17c3..3aaf242 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1363,6 +1363,8 @@ static int __split_huge_page_map(struct page *page, BUG_ON(page_mapcount(page) != 1); if (!pmd_young(*pmd)) entry = pte_mkold(entry); + if (pmd_numa(*pmd)) + entry = pte_mknuma(entry); pte = pte_offset_map(&_pmd, haddr); BUG_ON(!pte_none(*pte)); set_pte_at(mm, haddr, pte, entry); -- 1.7.9.2
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