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1/*
2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * Mach Operating System
33 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
34 * All Rights Reserved.
35 *
36 * Permission to use, copy, modify and distribute this software and its
37 * documentation is hereby granted, provided that both the copyright
38 * notice and this permission notice appear in all copies of the
39 * software, derivative works or modified versions, and any portions
40 * thereof, and that both notices appear in supporting documentation.
41 *
42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45 *
46 * Carnegie Mellon requests users of this software to return to
47 *
48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
49 * School of Computer Science
50 * Carnegie Mellon University
51 * Pittsburgh PA 15213-3890
52 *
53 * any improvements or extensions that they make and grant Carnegie Mellon
54 * the rights to redistribute these changes.
55 */
56
57#ifdef KERNEL_PRIVATE
58
59#ifndef _KERN_KALLOC_H_
60#define _KERN_KALLOC_H_
61
62#include <mach/machine/vm_types.h>
63#include <sys/cdefs.h>
64
65__BEGIN_DECLS
66
67extern void *kalloc(vm_size_t size);
68
69extern void *kalloc_noblock(vm_size_t size);
70
71extern void *kget(vm_size_t size);
72
73extern void kfree(void *data,
74 vm_size_t size);
75
76__END_DECLS
77
78#ifdef MACH_KERNEL_PRIVATE
79
80#include <kern/lock.h>
81
82#define KALLOC_MINSIZE 16
83
84extern void kalloc_init(void);
85
86extern void krealloc(void **addrp,
87 vm_size_t old_size,
88 vm_size_t new_size,
89 simple_lock_t lock);
90
91extern void kalloc_fake_zone_info(
92 int *count,
93 vm_size_t *cur_size,
94 vm_size_t *max_size,
95 vm_size_t *elem_size,
96 vm_size_t *alloc_size,
97 int *collectable,
98 int *exhaustable);
99
100extern vm_size_t kalloc_max_prerounded;
101
102#endif /* MACH_KERNEL_PRIVATE */
103
104#endif /* _KERN_KALLOC_H_ */
105
106#endif /* KERNEL_PRIVATE */