diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index a134d80..ca333e7 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1293,7 +1293,9 @@
 	       NETREG_UNREGISTERED,	/* completed unregister todo */
 	       NETREG_RELEASED,		/* called free_netdev */
 	       NETREG_DUMMY,		/* dummy device for NAPI poll */
-	} reg_state:16;
+	} reg_state:8;
+
+	bool dismantle; /* device is going do be freed */
 
 	enum {
 		RTNL_LINK_INITIALIZED,