mm: numa: split_huge_page: transfer the NUMA type from the pmd to the pte
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> Reviewed-by: Rik van Riel <riel@redhat.com>
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@ -1364,6 +1364,8 @@ static int __split_huge_page_map(struct page *page,
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BUG_ON(page_mapcount(page) != 1);
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if (!pmd_young(*pmd))
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entry = pte_mkold(entry);
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if (pmd_numa(*pmd))
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entry = pte_mknuma(entry);
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pte = pte_offset_map(&_pmd, haddr);
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BUG_ON(!pte_none(*pte));
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set_pte_at(mm, haddr, pte, entry);
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