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diff --git a/sys/ia64/include/vmparam.h b/sys/ia64/include/vmparam.h
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+/* $FreeBSD$ */
+/* From: NetBSD: vmparam.h,v 1.6 1997/09/23 23:23:23 mjacob Exp */
+#ifndef	_ALPHA_VMPARAM_H
+#define	_ALPHA_VMPARAM_H
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department and Ralph Campbell.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * from: Utah $Hdr: vmparam.h 1.16 91/01/18$
+ *
+ *	@(#)vmparam.h	8.2 (Berkeley) 4/22/94
+ */
+
+/*
+ * Machine dependent constants for Alpha.
+ */
+/*
+ * USRTEXT is the start of the user text/data space, while USRSTACK
+ * is the top (end) of the user stack.  Immediately above the user stack
+ * resides the user structure, which is UPAGES long and contains the
+ * kernel stack.
+ */
+#define	USRTEXT		CLBYTES
+/* #define	USRSTACK	VM_MAXUSER_ADDRESS */
+
+/*
+ * This stack location is suitable for OSF1 emulation.  Some OSF
+ * programs are built as 32bit and assume that the stack is reachable
+ * with a 32bit value.  OSF1 manages to have a variable location for
+ * the user stack which we should probably also support.
+ */
+#define USRSTACK	(0x12000000LL - (UPAGES*PAGE_SIZE))
+
+/*
+ * Virtual memory related constants, all in bytes
+ */
+#ifndef MAXTSIZ
+#define	MAXTSIZ		(1<<30)			/* max text size (1G) */
+#endif
+#ifndef DFLDSIZ
+#define	DFLDSIZ		(1<<27)			/* initial data size (128M) */
+#endif
+#ifndef MAXDSIZ
+#define	MAXDSIZ		(1<<30)			/* max data size (1G) */
+#endif
+#ifndef	DFLSSIZ
+#define	DFLSSIZ		(1<<21)			/* initial stack size (2M) */
+#endif
+#ifndef	MAXSSIZ
+#define	MAXSSIZ		(1<<25)			/* max stack size (32M) */
+#endif
+#ifndef SGROWSIZ
+#define SGROWSIZ	(128UL*1024)		/* amount to grow stack */
+#endif
+
+/*
+ * PTEs for mapping user space into the kernel for phyio operations.
+ * 64 pte's are enough to cover 8 disks * MAXBSIZE.
+ */
+#ifndef USRIOSIZE
+#define USRIOSIZE	64
+#endif
+
+/*
+ * Boundary at which to place first MAPMEM segment if not explicitly
+ * specified.  Should be a power of two.  This allows some slop for
+ * the data segment to grow underneath the first mapped segment.
+ */
+#define MMSEG		0x200000
+
+/*
+ * The size of the clock loop.
+ */
+#define	LOOPPAGES	(maxfree - firstfree)
+
+/*
+ * The time for a process to be blocked before being very swappable.
+ * This is a number of seconds which the system takes as being a non-trivial
+ * amount of real time.  You probably shouldn't change this;
+ * it is used in subtle ways (fractions and multiples of it are, that is, like
+ * half of a ``long time'', almost a long time, etc.)
+ * It is related to human patience and other factors which don't really
+ * change over time.
+ */
+#define	MAXSLP 		20
+
+/*
+ * A swapped in process is given a small amount of core without being bothered
+ * by the page replacement algorithm.  Basically this says that if you are
+ * swapped in you deserve some resources.  We protect the last SAFERSS
+ * pages against paging and will just swap you out rather than paging you.
+ * Note that each process has at least UPAGES+CLSIZE pages which are not
+ * paged anyways, in addition to SAFERSS.
+ */
+#define	SAFERSS		10		/* nominal ``small'' resident set size
+					   protected against replacement */
+
+/*
+ * Mach derived constants
+ */
+
+/* user/kernel map constants */
+#define VM_MIN_ADDRESS		0
+#define VM_MAXUSER_ADDRESS	IA64_RR_BASE(5)
+#define VM_MAX_ADDRESS		VM_MAXUSER_ADDRESS
+#define VM_MIN_KERNEL_ADDRESS	IA64_RR_BASE(5)
+#define VM_MAX_KERNEL_ADDRESS	(IA64_RR_BASE(6) - 1)
+
+/* virtual sizes (bytes) for various kernel submaps */
+#ifndef VM_KMEM_SIZE
+#define VM_KMEM_SIZE		(12 * 1024 * 1024)
+#endif
+
+/*
+ * How many physical pages per KVA page allocated.
+ * min(max(VM_KMEM_SIZE, Physical memory/VM_KMEM_SIZE_SCALE), VM_KMEM_SIZE_MAX)
+ * is the total KVA space allocated for kmem_map.
+ */
+#ifndef VM_KMEM_SIZE_SCALE
+#define	VM_KMEM_SIZE_SCALE	(4) /* XXX 8192 byte pages */
+#endif
+
+/* initial pagein size of beginning of executable file */
+#ifndef VM_INITIAL_PAGEIN
+#define	VM_INITIAL_PAGEIN	16
+#endif
+
+#endif	/* !_ALPHA_VMPARAM_H */