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Commit 1ba6e0b5 authored by Andrea Arcangeli's avatar Andrea Arcangeli Committed by Mel Gorman
Browse files

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: default avatarAndrea Arcangeli <aarcange@redhat.com>
Signed-off-by: default avatarMel Gorman <mgorman@suse.de>
Reviewed-by: default avatarRik van Riel <riel@redhat.com>
parent 0b9d7052

mm/huge_memory.c

+2 −0
Original line number Diff line number Diff line
@@ -1364,6 +1364,8 @@ 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);