diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 2ebacb7ef501..1ccfa3779e18 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -799,6 +799,7 @@ struct sock_cgroup_data {
 		struct {
 			u8	is_data : 1;
 			u8	no_refcnt : 1;
+			u8	unused : 6;
 			u8	padding;
 			u16	prioidx;
 			u32	classid;
@@ -808,6 +809,7 @@ struct sock_cgroup_data {
 			u32	classid;
 			u16	prioidx;
 			u8	padding;
+			u8	unused : 6;
 			u8	no_refcnt : 1;
 			u8	is_data : 1;
 		} __packed;