Index: head/sys/boot/pc98/libpc98/biosmem.c
===================================================================
--- head/sys/boot/pc98/libpc98/biosmem.c	(revision 153598)
+++ head/sys/boot/pc98/libpc98/biosmem.c	(revision 153599)
@@ -1,52 +1,52 @@
 /*-
  * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
  * All rights reserved.
  *
  * 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.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
  */
 
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
 /*
  * Obtain memory configuration information from the BIOS
  */
 #include <stand.h>
 #include "libi386.h"
 #include "btxv86.h"
 
-vm_offset_t	memtop;
+vm_offset_t	memtop, memtop_copyin;
 u_int32_t	bios_basemem, bios_extmem;
 
 void
 bios_getmem(void)
 {
 
     bios_basemem = ((*(u_char *)PTOV(0xA1501) & 0x07) + 1) * 128 * 1024;
     bios_extmem = *(u_char *)PTOV(0xA1401) * 128 * 1024 +
 	*(u_int16_t *)PTOV(0xA1594) * 1024 * 1024;
 
     /* Set memtop to actual top of memory */
-    memtop = 0x100000 + bios_extmem;
+    memtop = memtop_copyin = 0x100000 + bios_extmem;
 
 }