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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * @OSF_COPYRIGHT@
24 *
25 */
26
27#ifndef _VM_CPM_H_
28#define _VM_CPM_H_
29
30/*
31 * File: vm/cpm.h
32 * Author: Alan Langerman
33 * Date: April 1995 and January 1996
34 *
35 * Contiguous physical memory allocator.
36 */
37
38#include <mach_kdb.h>
39#include <mach_counters.h>
40
41/*
42 * Return a linked list of physically contiguous
43 * wired pages. Caller is responsible for disposal
44 * via cpm_release.
45 *
46 * These pages are all in "gobbled" state when .
47 */
48extern kern_return_t
49 cpm_allocate(vm_size_t size, vm_page_t *list, boolean_t wire);
50
51/*
52 * CPM-specific event counters.
53 */
54#define VM_CPM_COUNTERS (MACH_KDB && MACH_COUNTERS && VM_CPM)
55#if VM_CPM_COUNTERS
56#define cpm_counter(foo) foo
57#else /* VM_CPM_COUNTERS */
58#define cpm_counter(foo)
59#endif /* VM_CPM_COUNTERS */
60
61#endif /* _VM_CPM_H_ */