2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)vm_extern.h 8.2 (Berkeley) 1/12/94
30 * $FreeBSD: src/sys/vm/vm_extern.h,v 1.46.2.3 2003/01/13 22:51:17 dillon Exp $
33 #ifndef _VM_VM_EXTERN_H_
34 #define _VM_VM_EXTERN_H_
37 #include <sys/types.h>
40 #include <vm/vm_map.h>
42 #ifndef _VM_VM_KERN_H_
43 #include <vm/vm_kern.h>
45 #ifndef _MACHINE_TYPES_H_
46 #include <machine/types.h>
59 extern int vkernel_enable;
61 int grow(struct proc *, size_t);
62 int kernacc(c_caddr_t, int, int);
63 vm_offset_t kmem_alloc3(struct vm_map *, vm_size_t,
64 vm_subsys_t id, int flags);
65 vm_offset_t kmem_alloc_nofault(struct vm_map *, vm_size_t,
66 vm_subsys_t id, vm_size_t);
67 vm_offset_t kmem_alloc_pageable(struct vm_map *, vm_size_t,
69 vm_offset_t kmem_alloc_wait(struct vm_map *, vm_size_t,
71 vm_offset_t kmem_alloc_attr(struct vm_map *map, vm_size_t size,
72 vm_subsys_t id, int flags,
73 vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr);
74 void kmem_free(struct vm_map *, vm_offset_t, vm_size_t);
75 void kmem_free_wakeup(struct vm_map *, vm_offset_t, vm_size_t);
77 void kmem_suballoc(struct vm_map *, struct vm_map *,
78 vm_offset_t *, vm_offset_t *, vm_size_t);
79 void munmapfd(struct proc *, int);
80 int swaponvp(struct thread *, struct vnode *, u_quad_t);
81 void swapout_procs(int);
82 int useracc(c_caddr_t, int, int);
83 int vm_fault(struct vm_map *, vm_offset_t, vm_prot_t, int);
84 int vm_fault_collapse(struct vm_map *, struct vm_map_entry *);
85 vm_page_t vm_fault_page(struct vm_map *, vm_offset_t,
86 vm_prot_t, int, int *, int *);
87 vm_page_t vm_fault_page_quick(vm_offset_t, vm_prot_t, int *, int *);
88 void vm_fault_copy_entry(struct vm_map *, struct vm_map *,
89 struct vm_map_entry *, struct vm_map_entry *);
90 void vm_fault_unwire(struct vm_map *, struct vm_map_entry *);
91 int vm_fault_wire(struct vm_map *, struct vm_map_entry *, boolean_t, int);
92 void vm_fork(struct proc *, struct proc *, int);
93 int vm_test_nominal(void);
94 void vm_wait_nominal(void);
95 void vm_init_limits(struct proc *);
97 int vm_mmap(struct vm_map *, vm_offset_t *, vm_size_t,
98 vm_prot_t, vm_prot_t, int, void *, vm_ooffset_t);
99 int vm_mmap_to_errno(int rv);
100 vm_offset_t kmem_alloc_contig(vm_offset_t, vm_paddr_t,
101 vm_paddr_t, vm_offset_t);
102 void vm_set_page_size(void);
103 struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t);
104 void vmspace_initrefs(struct vmspace *);
105 int vmspace_getrefs(struct vmspace *);
106 void vmspace_hold(struct vmspace *);
107 void vmspace_drop(struct vmspace *);
108 void vmspace_ref(struct vmspace *);
109 void vmspace_rel(struct vmspace *);
110 void vmspace_relexit(struct vmspace *);
111 void vmspace_exitfree(struct proc *);
112 void *kmem_alloc_swapbacked(kmem_anon_desc_t *kp, vm_size_t size,
114 void kmem_free_swapbacked(kmem_anon_desc_t *kp);
116 struct vmspace *vmspace_fork(struct vmspace *);
117 void vmspace_exec(struct proc *, struct vmspace *);
118 void vmspace_unshare(struct proc *);
119 void vslock(caddr_t, u_int);
120 void vsunlock(caddr_t, u_int);
121 void vm_object_print(/* db_expr_t */ long, boolean_t,
122 /* db_expr_t */ long, char *);
126 kmem_alloc(struct vm_map *map, vm_size_t size, vm_subsys_t id)
128 return(kmem_alloc3(map, size, id, 0));
133 kmem_alloc_stack(struct vm_map *map, vm_size_t size, int kmflags)
135 return(kmem_alloc3(map, size, VM_SUBSYS_STACK, kmflags|KM_STACK));
140 #endif /* !_VM_VM_EXTERN_H_ */