1 files changed, 1 insertions, 0 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index d36e1f11a5f2..262d0a93d2b6 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -892,6 +892,7 @@ static int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma,
         ptep = huge_pte_offset(mm, address & HPAGE_MASK);
         if (likely(pte_same(*ptep, pte))) {
                 /* Break COW */
+                huge_ptep_clear_flush(vma, address, ptep);
                 set_huge_pte_at(mm, address, ptep,
                                 make_huge_pte(vma, new_page, 1));
                 /* Make the old page be freed below */