FreeBSD/Linux Kernel Cross Reference
sys/vm/vm.h
1 /*
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)vm.h 8.2 (Berkeley) 12/13/93
34 * $FreeBSD$
35 */
36
37 #ifndef VM_H
38 #define VM_H
39
40 typedef char vm_inherit_t; /* XXX: inheritance codes */
41 typedef u_char vm_prot_t; /* protection codes */
42
43 union vm_map_object;
44 typedef union vm_map_object vm_map_object_t;
45
46 struct vm_map_entry;
47 typedef struct vm_map_entry *vm_map_entry_t;
48
49 struct vm_map;
50 typedef struct vm_map *vm_map_t;
51
52 struct vm_object;
53 typedef struct vm_object *vm_object_t;
54
55 #ifndef KERNEL
56 /*
57 * This is defined in <sys/types.h> for the kernel so that non-vm kernel
58 * sources (mainly Mach-derived ones such as ddb) don't have to include
59 * vm stuff. Defining it there for applications might break things.
60 * Define it here for "applications" that include vm headers (e.g.,
61 * genassym).
62 */
63 typedef int boolean_t;
64
65 /*
66 * This is defined in <sys/types.h> for the kernel so that vnode_if.h
67 * doesn't have to include <vm/vm.h>.
68 */
69 struct vm_page;
70 typedef struct vm_page *vm_page_t;
71 #endif
72
73 #endif /* VM_H */
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