FreeBSD/Linux Kernel Cross Reference
sys/vm/vm_extern.h
1 /*-
2 * Copyright (c) 1992, 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 * 4. 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.
16 *
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
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)vm_extern.h 8.2 (Berkeley) 1/12/94
30 * $FreeBSD: releng/8.0/sys/vm/vm_extern.h 196977 2009-09-08 15:31:23Z kib $
31 */
32
33 #ifndef _VM_EXTERN_H_
34 #define _VM_EXTERN_H_
35
36 struct proc;
37 struct vmspace;
38 struct vnode;
39
40 #ifdef _KERNEL
41
42 int kernacc(void *, int, int);
43 vm_offset_t kmem_alloc(vm_map_t, vm_size_t);
44 vm_offset_t kmem_alloc_contig(vm_map_t map, vm_size_t size, int flags,
45 vm_paddr_t low, vm_paddr_t high, unsigned long alignment,
46 unsigned long boundary, vm_memattr_t memattr);
47 vm_offset_t kmem_alloc_nofault(vm_map_t, vm_size_t);
48 vm_offset_t kmem_alloc_wait(vm_map_t, vm_size_t);
49 void kmem_free(vm_map_t, vm_offset_t, vm_size_t);
50 void kmem_free_wakeup(vm_map_t, vm_offset_t, vm_size_t);
51 void kmem_init(vm_offset_t, vm_offset_t);
52 vm_offset_t kmem_malloc(vm_map_t, vm_size_t, boolean_t);
53 vm_map_t kmem_suballoc(vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t,
54 boolean_t);
55 void swapout_procs(int);
56 int useracc(void *, int, int);
57 int vm_fault(vm_map_t, vm_offset_t, vm_prot_t, int);
58 void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t,
59 vm_ooffset_t *);
60 void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t);
61 int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t, boolean_t);
62 int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int);
63 void vm_waitproc(struct proc *);
64 int vm_mmap(vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, objtype_t, void *, vm_ooffset_t);
65 void vm_set_page_size(void);
66 struct vmspace *vmspace_alloc(vm_offset_t, vm_offset_t);
67 struct vmspace *vmspace_fork(struct vmspace *, vm_ooffset_t *);
68 int vmspace_exec(struct proc *, vm_offset_t, vm_offset_t);
69 int vmspace_unshare(struct proc *);
70 void vmspace_exit(struct thread *);
71 struct vmspace *vmspace_acquire_ref(struct proc *);
72 void vmspace_free(struct vmspace *);
73 void vmspace_exitfree(struct proc *);
74 void vnode_pager_setsize(struct vnode *, vm_ooffset_t);
75 int vslock(void *, size_t);
76 void vsunlock(void *, size_t);
77 void vm_object_print(/* db_expr_t */ long, boolean_t, /* db_expr_t */ long,
78 char *);
79 int vm_fault_quick(caddr_t v, int prot);
80 struct sf_buf *vm_imgact_map_page(vm_object_t object, vm_ooffset_t offset);
81 void vm_imgact_unmap_page(struct sf_buf *sf);
82 void vm_thread_dispose(struct thread *td);
83 int vm_thread_new(struct thread *td, int pages);
84 void vm_thread_swapin(struct thread *td);
85 void vm_thread_swapout(struct thread *td);
86 #endif /* _KERNEL */
87 #endif /* !_VM_EXTERN_H_ */
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