--- zzzz-none-000/linux-3.10.107/net/l2tp/l2tp_core.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/net/l2tp/l2tp_core.h	2021-11-10 11:53:56.000000000 +0000
@@ -193,6 +193,7 @@
 	bool			v4mapped;
 #endif
 
+	int                 deleted;
 	struct work_struct	del_work;
 
 	uint8_t			priv[0];	/* private data */