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) __attribute__((section("__TEXT, initcode"))); 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 */ 107