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Annotation of XNU/osfmk/vm/cpm.h, revision 1.1.1.1

1.1       root        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:  */
                     48: extern 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_ */

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