diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index d6288e8..9c9a8ad 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -57,7 +57,8 @@
 	struct svc_stat *	sv_stats;	/* RPC statistics */
 	spinlock_t		sv_lock;
 	unsigned int		sv_nrthreads;	/* # of server threads */
-	unsigned int		sv_bufsz;	/* datagram buffer size */
+	unsigned int		sv_max_payload;	/* datagram payload size */
+	unsigned int		sv_max_mesg;	/* max_payload + 1 page for overheads */
 	unsigned int		sv_xdrsize;	/* XDR buffer size */
 
 	struct list_head	sv_permsocks;	/* all permanent sockets */