diff --git a/sys/amd64/include/vmparam.h b/sys/amd64/include/vmparam.h
index b7a3561fff1a..44128c5c50d2 100644
--- a/sys/amd64/include/vmparam.h
+++ b/sys/amd64/include/vmparam.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)vmparam.h	5.9 (Berkeley) 5/12/91
- *	$Id: vmparam.h,v 1.8 1993/11/07 17:43:17 wollman Exp $
+ *	$Id: vmparam.h,v 1.9 1993/12/19 00:50:19 wollman Exp $
  */
 
 
@@ -65,18 +65,18 @@
 /*
  * Virtual memory related constants, all in bytes
  */
-#define	MAXTSIZ		(6UL*1024*1024)		/* max text size */
+#define	MAXTSIZ		(16UL*1024*1024)	/* max text size */
 #ifndef DFLDSIZ
-#define	DFLDSIZ		(16UL*1024*1024) /* initial data size limit */
+#define	DFLDSIZ		(64UL*1024*1024)	/* initial data size limit */
 #endif
 #ifndef MAXDSIZ
-#define	MAXDSIZ		(32UL*1024*1024)		/* max data size */
+#define	MAXDSIZ		(128UL*1024*1024)	/* max data size */
 #endif
 #ifndef	DFLSSIZ
 #define	DFLSSIZ		(512UL*1024)		/* initial stack size limit */
 #endif
 #ifndef	MAXSSIZ
-#define	MAXSSIZ		(8UL*1024*1024)		/* max stack size */
+#define	MAXSSIZ		(64UL*1024*1024)	/* max stack size */
 #endif
 
 /*
diff --git a/sys/i386/include/vmparam.h b/sys/i386/include/vmparam.h
index b7a3561fff1a..44128c5c50d2 100644
--- a/sys/i386/include/vmparam.h
+++ b/sys/i386/include/vmparam.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)vmparam.h	5.9 (Berkeley) 5/12/91
- *	$Id: vmparam.h,v 1.8 1993/11/07 17:43:17 wollman Exp $
+ *	$Id: vmparam.h,v 1.9 1993/12/19 00:50:19 wollman Exp $
  */
 
 
@@ -65,18 +65,18 @@
 /*
  * Virtual memory related constants, all in bytes
  */
-#define	MAXTSIZ		(6UL*1024*1024)		/* max text size */
+#define	MAXTSIZ		(16UL*1024*1024)	/* max text size */
 #ifndef DFLDSIZ
-#define	DFLDSIZ		(16UL*1024*1024) /* initial data size limit */
+#define	DFLDSIZ		(64UL*1024*1024)	/* initial data size limit */
 #endif
 #ifndef MAXDSIZ
-#define	MAXDSIZ		(32UL*1024*1024)		/* max data size */
+#define	MAXDSIZ		(128UL*1024*1024)	/* max data size */
 #endif
 #ifndef	DFLSSIZ
 #define	DFLSSIZ		(512UL*1024)		/* initial stack size limit */
 #endif
 #ifndef	MAXSSIZ
-#define	MAXSSIZ		(8UL*1024*1024)		/* max stack size */
+#define	MAXSSIZ		(64UL*1024*1024)	/* max stack size */
 #endif
 
 /*