From 1ba6e0b50b479cbadb8f05ebde3020da9ac87201 Mon Sep 17 00:00:00 2001 From: Andrea Arcangeli Date: Thu, 4 Oct 2012 01:51:06 +0200 Subject: [PATCH] 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 Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel --- mm/huge_memory.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 35c66a269bcc..cd24aa562144 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -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); -- 2.30.2