projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 9bccf70c | 2 | * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. |
| 1c79356b | 3 | * |
| 8ad349bb | 4 | * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ |
| 1c79356b | 5 | * |
| 8ad349bb A |
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 | |
| 10 | * License may not be used to create, or enable the creation or | |
| 11 | * redistribution of, unlawful or unlicensed copies of an Apple operating | |
| 12 | * system, or to circumvent, violate, or enable the circumvention or | |
| 13 | * violation of, any terms of an Apple operating system software license | |
| 14 | * agreement. | |
| 15 | * | |
| 16 | * Please obtain a copy of the License at | |
| 17 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 18 | * file. | |
| 19 | * | |
| 20 | * The Original Code and all software distributed under the License are | |
| 21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 25 | * Please see the License for the specific language governing rights and | |
| 26 | * limitations under the License. | |
| 27 | * | |
| 28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ | |
| 1c79356b A |
29 | */ |
| 30 | /* | |
| 31 | * @OSF_COPYRIGHT@ | |
| 32 | */ | |
| 1c79356b A |
33 | /* |
| 34 | * File: mach/vm_behavior.h | |
| 35 | * | |
| 36 | * Virtual memory map behavior definitions. | |
| 37 | * | |
| 38 | */ | |
| 39 | ||
| 40 | #ifndef _MACH_VM_BEHAVIOR_H_ | |
| 41 | #define _MACH_VM_BEHAVIOR_H_ | |
| 42 | ||
| 43 | /* | |
| 44 | * Types defined: | |
| 45 | * | |
| 46 | * vm_behavior_t behavior codes. | |
| 47 | */ | |
| 48 | ||
| 49 | typedef int vm_behavior_t; | |
| 50 | ||
| 51 | /* | |
| 52 | * Enumeration of valid values for vm_behavior_t. | |
| 53 | * These describe expected page reference behavior for | |
| 54 | * for a given range of virtual memory. For implementation | |
| 55 | * details see vm/vm_fault.c | |
| 56 | */ | |
| 57 | ||
| 58 | ||
| 59 | #define VM_BEHAVIOR_DEFAULT ((vm_behavior_t) 0) /* default */ | |
| 60 | #define VM_BEHAVIOR_RANDOM ((vm_behavior_t) 1) /* random */ | |
| 61 | #define VM_BEHAVIOR_SEQUENTIAL ((vm_behavior_t) 2) /* forward sequential */ | |
| 62 | #define VM_BEHAVIOR_RSEQNTL ((vm_behavior_t) 3) /* reverse sequential */ | |
| 9bccf70c A |
63 | #define VM_BEHAVIOR_WILLNEED ((vm_behavior_t) 4) /* will need in near future */ |
| 64 | #define VM_BEHAVIOR_DONTNEED ((vm_behavior_t) 5) /* dont need in near future */ | |
| 1c79356b A |
65 | |
| 66 | #endif /*_MACH_VM_BEHAVIOR_H_*/ |