The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/vm/vm_extern.h

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    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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