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