diff --git a/sys/conf/param.c b/sys/conf/param.c
index b3d9d3b44164..bbc14cbe4354 100644
--- a/sys/conf/param.c
+++ b/sys/conf/param.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: param.c,v 1.20 1997/01/30 10:16:18 tls Exp $	*/
+/*	$NetBSD: param.c,v 1.21 1997/02/28 00:14:19 jonathan Exp $	*/
 
 /*
  * Copyright (c) 1980, 1986, 1989 Regents of the University of California.
@@ -197,3 +197,8 @@ int autoniceval = AUTONICEVAL;
 int autoniceval = 4;		/* default + 4 */
 #endif
 
+/*
+ * Actual network mbuf sizes (read-only), for netstat.
+ */
+int	msize = MSIZE;
+int	mclbytes = MCLBYTES;
diff --git a/usr.bin/netstat/main.c b/usr.bin/netstat/main.c
index 2798c932a94d..0e27bd44948d 100644
--- a/usr.bin/netstat/main.c
+++ b/usr.bin/netstat/main.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: main.c,v 1.9 1996/05/07 02:55:02 thorpej Exp $	*/
+/*	$NetBSD: main.c,v 1.10 1997/02/28 00:14:21 jonathan Exp $	*/
 
 /*
  * Copyright (c) 1983, 1988, 1993
@@ -43,7 +43,7 @@ char copyright[] =
 #if 0
 static char sccsid[] = "from: @(#)main.c	8.4 (Berkeley) 3/1/94";
 #else
-static char *rcsid = "$NetBSD: main.c,v 1.9 1996/05/07 02:55:02 thorpej Exp $";
+static char *rcsid = "$NetBSD: main.c,v 1.10 1997/02/28 00:14:21 jonathan Exp $";
 #endif
 #endif /* not lint */
 
@@ -132,6 +132,10 @@ struct nlist nl[] = {
 	{ "_mfchash" },
 #define N_VIFTABLE	31
 	{ "_viftable" },
+#define N_MSIZE		32
+	{ "_msize" },
+#define N_MCLBYTES	33
+	{ "_mclbytes" },
 	"",
 };
 
@@ -326,7 +330,8 @@ main(argc, argv)
 		exit(1);
 	}
 	if (mflag) {
-		mbpr(nl[N_MBSTAT].n_value);
+		mbpr(nl[N_MBSTAT].n_value,  nl[N_MSIZE].n_value,
+		    nl[N_MCLBYTES].n_value);
 		exit(0);
 	}
 	if (pflag) {
diff --git a/usr.bin/netstat/mbuf.c b/usr.bin/netstat/mbuf.c
index 0f0067031a9d..82f0303833c6 100644
--- a/usr.bin/netstat/mbuf.c
+++ b/usr.bin/netstat/mbuf.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: mbuf.c,v 1.9 1996/05/07 02:55:03 thorpej Exp $	*/
+/*	$NetBSD: mbuf.c,v 1.10 1997/02/28 00:14:22 jonathan Exp $	*/
 
 /*
  * Copyright (c) 1983, 1988, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "from: @(#)mbuf.c	8.1 (Berkeley) 6/6/93";
 #else
-static char *rcsid = "$NetBSD: mbuf.c,v 1.9 1996/05/07 02:55:03 thorpej Exp $";
+static char *rcsid = "$NetBSD: mbuf.c,v 1.10 1997/02/28 00:14:22 jonathan Exp $";
 #endif
 #endif /* not lint */
 
@@ -75,13 +75,16 @@ bool seen[256];			/* "have we seen this type yet?" */
  * Print mbuf statistics.
  */
 void
-mbpr(mbaddr)
+mbpr(mbaddr, msizeaddr, mclbaddr)
 	u_long mbaddr;
+	u_long msizeaddr, mclbaddr;
 {
 	register int totmem, totfree, totmbufs;
 	register int i;
 	register struct mbtypes *mp;
 
+	int	mclbytes,	msize;
+
 	if (nmbtypes != 256) {
 		fprintf(stderr,
 		    "%s: unexpected change to mbstat; check source\n",
@@ -93,6 +96,17 @@ mbpr(mbaddr)
 		    __progname);
 		return;
 	}
+/*XXX*/
+	if (msizeaddr != 0)
+		kread(msizeaddr, (char *)&msize, sizeof (msize));
+	else
+		msize = MSIZE;
+	if (mclbaddr != 0)
+		kread(mclbaddr, (char *)&mclbytes, sizeof (mclbytes));
+	else
+		mclbytes = MCLBYTES;
+/*XXX*/
+
 	if (kread(mbaddr, (char *)&mbstat, sizeof (mbstat)))
 		return;
 	totmbufs = 0;
@@ -113,8 +127,8 @@ mbpr(mbaddr)
 		}
 	printf("%u/%u mapped pages in use\n",
 		mbstat.m_clusters - mbstat.m_clfree, mbstat.m_clusters);
-	totmem = totmbufs * MSIZE + mbstat.m_clusters * MCLBYTES;
-	totfree = mbstat.m_clfree * MCLBYTES;
+	totmem = totmbufs * msize + mbstat.m_clusters * mclbytes;
+	totfree = mbstat.m_clfree * mclbytes;
 	printf("%u Kbytes allocated to network (%d%% in use)\n",
 		totmem / 1024, (totmem - totfree) * 100 / totmem);
 	printf("%u requests for memory denied\n", mbstat.m_drops);
diff --git a/usr.bin/netstat/netstat.h b/usr.bin/netstat/netstat.h
index 085203893dab..c415fc57bc7e 100644
--- a/usr.bin/netstat/netstat.h
+++ b/usr.bin/netstat/netstat.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: netstat.h,v 1.6 1996/05/07 02:55:05 thorpej Exp $	*/
+/*	$NetBSD: netstat.h,v 1.7 1997/02/28 00:14:23 jonathan Exp $	*/
 
 /*
  * Copyright (c) 1992, 1993
@@ -70,7 +70,7 @@ void	icmp_stats __P((u_long, char *));
 void	igmp_stats __P((u_long, char *));
 void	protopr __P((u_long, char *));
 
-void	mbpr(u_long);
+void	mbpr(u_long, u_long, u_long);
 
 void	hostpr __P((u_long, u_long));
 void	impstats __P((u_long, u_long));