X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..2dced7af2b695f87fe26496a3e73c219b7880cbc:/osfmk/mach/vm_behavior.h diff --git a/osfmk/mach/vm_behavior.h b/osfmk/mach/vm_behavior.h index 81a349cad..13a0b301f 100644 --- a/osfmk/mach/vm_behavior.h +++ b/osfmk/mach/vm_behavior.h @@ -1,31 +1,29 @@ /* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_OSREFERENCE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * This file contains Original Code and/or Modifications of Original Code - * as defined in and that are subject to the Apple Public Source License - * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. The rights granted to you under the - * License may not be used to create, or enable the creation or - * redistribution of, unlawful or unlicensed copies of an Apple operating - * system, or to circumvent, violate, or enable the circumvention or - * violation of, any terms of an Apple operating system software license - * agreement. - * - * Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. - * - * The Original Code and all software distributed under the License are - * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER - * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, - * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and * limitations under the License. - * - * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ @@ -56,11 +54,26 @@ typedef int vm_behavior_t; */ +/* + * The following behaviors affect the memory region's future behavior + * and are stored in the VM map entry data structure. + */ #define VM_BEHAVIOR_DEFAULT ((vm_behavior_t) 0) /* default */ #define VM_BEHAVIOR_RANDOM ((vm_behavior_t) 1) /* random */ #define VM_BEHAVIOR_SEQUENTIAL ((vm_behavior_t) 2) /* forward sequential */ #define VM_BEHAVIOR_RSEQNTL ((vm_behavior_t) 3) /* reverse sequential */ + +/* + * The following "behaviors" affect the memory region only at the time of the + * call and are not stored in the VM map entry. + */ #define VM_BEHAVIOR_WILLNEED ((vm_behavior_t) 4) /* will need in near future */ #define VM_BEHAVIOR_DONTNEED ((vm_behavior_t) 5) /* dont need in near future */ +#define VM_BEHAVIOR_FREE ((vm_behavior_t) 6) /* free memory without write-back */ +#define VM_BEHAVIOR_ZERO_WIRED_PAGES ((vm_behavior_t) 7) /* zero out the wired pages of an entry if it is being deleted without unwiring them first */ +#define VM_BEHAVIOR_REUSABLE ((vm_behavior_t) 8) +#define VM_BEHAVIOR_REUSE ((vm_behavior_t) 9) +#define VM_BEHAVIOR_CAN_REUSE ((vm_behavior_t) 10) +#define VM_BEHAVIOR_PAGEOUT ((vm_behavior_t) 11) #endif /*_MACH_VM_BEHAVIOR_H_*/