diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index c26dd2040624f7aa451df5bbb3b8d83a66e97cde..10fb16ac23e8b5cfc4574a0d78a1d89a328882dd 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -55,6 +55,8 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
 			/* don't free the page */
 			goto out;
 		}
+
+		flush_dcache_page(page);
 	} else {
 		page = *pagep;
 		*pagep = NULL;
@@ -601,6 +603,7 @@ static __always_inline ssize_t __mcopy_atomic(struct mm_struct *dst_mm,
 				err = -EFAULT;
 				goto out;
 			}
+			flush_dcache_page(page);
 			goto retry;
 		} else
 			BUG_ON(page);