1 files changed, 4 insertions, 3 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index eb7180db3033..a45d1f0691ce 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -326,9 +326,10 @@ static void set_huge_ptep_writable(struct vm_area_struct *vma,
         pte_t entry;
 
         entry = pte_mkwrite(pte_mkdirty(*ptep));
-        ptep_set_access_flags(vma, address, ptep, entry, 1);
-        update_mmu_cache(vma, address, entry);
-        lazy_mmu_prot_update(entry);
+        if (ptep_set_access_flags(vma, address, ptep, entry, 1)) {
+                update_mmu_cache(vma, address, entry);
+                lazy_mmu_prot_update(entry);
+        }
 }