mm: numa: split_huge_page: transfer the NUMA type from the pmd to the pte

[cascardo/linux.git] / mm / huge_memory.c

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 35c66a2..cd24aa5 100644 (file)
--- 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);