1/*-
2 * Copyright (c) 2002-2006 Rice University
3 * Copyright (c) 2007-2008 Alan L. Cox <alc@cs.rice.edu>
4 * All rights reserved.
5 *
6 * This software was developed for the FreeBSD Project by Alan L. Cox,
7 * Olivier Crameri, Peter Druschel, Sitaram Iyer, and Juan Navarro.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
25 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
28 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 * $FreeBSD$
32 */
33
34/*
35 *	Superpage reservation management definitions
36 */
37
38#ifndef	_VM_RESERV_H_
39#define	_VM_RESERV_H_
40
41#ifdef _KERNEL
42
43#if VM_NRESERVLEVEL > 0
44
45vm_page_t	vm_reserv_alloc_page(vm_object_t object, vm_pindex_t pindex);
46void		vm_reserv_break_all(vm_object_t object);
47boolean_t	vm_reserv_free_page(vm_page_t m);
48void		vm_reserv_init(void);
49int		vm_reserv_level_iffullpop(vm_page_t m);
50boolean_t	vm_reserv_reactivate_page(vm_page_t m);
51boolean_t	vm_reserv_reclaim_contig(vm_paddr_t size, vm_paddr_t low,
52		    vm_paddr_t high, u_long alignment, u_long boundary);
53boolean_t	vm_reserv_reclaim_inactive(void);
54void		vm_reserv_rename(vm_page_t m, vm_object_t new_object,
55		    vm_object_t old_object, vm_pindex_t old_object_offset);
56vm_paddr_t	vm_reserv_startup(vm_offset_t *vaddr, vm_paddr_t end,
57		    vm_paddr_t high_water);
58
59#endif	/* VM_NRESERVLEVEL > 0 */
60#endif	/* _KERNEL */
61#endif	/* !_VM_RESERV_H_ */
62