diff --git a/mm/memory.c b/mm/memory.c
index 0f780a8dfaef..78d5312c0078 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3500,6 +3500,12 @@ reuse:
 		return wp_page_shared(vmf);
 	}
 copy:
+	if ((vmf->flags & FAULT_FLAG_VMA_LOCK) && !vma->anon_vma) {
+		pte_unmap_unlock(vmf->pte, vmf->ptl);
+		vma_end_read(vmf->vma);
+		return VM_FAULT_RETRY;
+	}
+
 	/*
 	 * Ok, we need to copy. Oh, well..
 	 */