diff --git a/mm/ksm.c b/mm/ksm.c
index 4a7f8614e57d..03d599bbc155 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2829,8 +2829,7 @@ static void wait_while_offlining(void)
 #define KSM_ATTR_RO(_name) \
 	static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
 #define KSM_ATTR(_name) \
-	static struct kobj_attribute _name##_attr = \
-		__ATTR(_name, 0644, _name##_show, _name##_store)
+	static struct kobj_attribute _name##_attr = __ATTR_RW(_name)
 
 static ssize_t sleep_millisecs_show(struct kobject *kobj,
 				    struct kobj_attribute *attr, char *buf)