/*
 * Copyright (c) 1991 Regents of the University of California.
 * 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.
 * 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: @(#)vm.h	7.1 (Berkeley) 5/5/91
 *	$Id: vm_extern.h,v 1.3 1994/04/28 03:51:58 cgd Exp $
 */

struct buf;
struct loadavg;
struct proc;
struct vmspace;
struct vmtotal;
struct mount;
struct vnode;

struct	vmspace *vmspace_alloc __P((vm_offset_t min, vm_offset_t max,
			int pageable));
struct	vmspace *vmspace_fork __P((struct vmspace *));
void	vmspace_free __P((struct vmspace *));

int	vm_fault __P((vm_map_t, vm_offset_t, vm_prot_t, boolean_t));
void	vm_fault_wire __P((vm_map_t, vm_offset_t, vm_offset_t));
void	vm_fault_unwire __P((vm_map_t, vm_offset_t, vm_offset_t));
void	vm_fault_copy_entry __P((vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t));

void	vslock __P((caddr_t, u_int));
void	vsunlock __P((caddr_t, u_int, int));

void		swapinit __P((void));
int		swfree __P((struct proc *, int));
void		swstrategy __P((struct buf *));