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

     /*-
      * Copyright (c) 1992, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)vm_extern.h 8.2 (Berkeley) 1/12/94
     * $FreeBSD: src/sys/vm/vm_extern.h,v 1.46.2.3 2003/01/13 22:51:17 dillon Exp $
     * $DragonFly: src/sys/vm/vm_extern.h,v 1.27 2007/04/30 07:18:57 dillon Exp $
     */
    
    #ifndef _VM_VM_EXTERN_H_
    #define _VM_VM_EXTERN_H_
    
    #ifndef _SYS_TYPES_H_
    #include <sys/types.h>
    #endif
    #ifndef _VM_VM_MAP_H_
    #include <vm/vm_map.h>
    #endif
    #ifndef _VM_VM_KERN_H_
    #include <vm/vm_kern.h>
    #endif
    #ifndef _MACHINE_TYPES_H_
    #include <machine/types.h>
    #endif
    
    struct buf;
    struct proc;
    struct vmspace;
    struct vmtotal;
    struct mount;
    struct vmspace;
    struct vnode;
    
    #ifdef _KERNEL
    
    extern int vkernel_enable;
    
    #ifdef TYPEDEF_FOR_UAP
    int getpagesize (struct proc * p, void *, int *);
    int madvise (struct proc *, void *, int *);
    int mincore (struct proc *, void *, int *);
    int mprotect (struct proc *, void *, int *);
    int msync (struct proc *, void *, int *);
    int munmap (struct proc *, void *, int *);
    int obreak (struct proc *, void *, int *);
    int sbrk (struct proc *, void *, int *);
    int sstk (struct proc *, void *, int *);
    int swapon (struct proc *, void *, int *);
    #endif
    
    int grow (struct proc *, size_t);
    int kernacc(c_caddr_t, int, int);
    vm_offset_t kmem_alloc3 (vm_map_t, vm_size_t, int flags);
    vm_offset_t kmem_alloc_nofault (vm_map_t, vm_size_t, vm_size_t);
    vm_offset_t kmem_alloc_pageable (vm_map_t, vm_size_t);
    vm_offset_t kmem_alloc_wait (vm_map_t, vm_size_t);
    vm_offset_t kmem_alloc_attr(vm_map_t map, vm_size_t size, int flags,
            vm_paddr_t low, vm_paddr_t high, vm_memattr_t memattr);
    void kmem_free (vm_map_t, vm_offset_t, vm_size_t);
    void kmem_free_wakeup (vm_map_t, vm_offset_t, vm_size_t);
    void kmem_init (void);
    void kmem_suballoc (vm_map_t, vm_map_t, vm_offset_t *, vm_offset_t *, vm_size_t);
    void munmapfd (struct proc *, int);
    int swaponvp (struct thread *, struct vnode *, u_quad_t);
    void swapout_procs (int);
    int useracc(c_caddr_t, int, int);
    int vm_fault (vm_map_t, vm_offset_t, vm_prot_t, int);
    vm_page_t vm_fault_page (vm_map_t, vm_offset_t, vm_prot_t, int, int *);
    vm_page_t vm_fault_page_quick (vm_offset_t, vm_prot_t, int *);
    void vm_fault_copy_entry (vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t);
    int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len,
       vm_prot_t prot, vm_page_t *ma, int max_count);
   void vm_fault_unwire (vm_map_t, vm_map_entry_t);
   int vm_fault_wire (vm_map_t, vm_map_entry_t, boolean_t);
   void vm_fork (struct proc *, struct proc *, int);
   int vm_test_nominal (void);
   void vm_wait_nominal (void);
   void vm_init_limits(struct proc *);
   
   int vm_mmap (vm_map_t, vm_offset_t *, vm_size_t, vm_prot_t, vm_prot_t, int, void *, vm_ooffset_t);
   int vm_mmap_to_errno(int rv);
   vm_offset_t kmem_alloc_contig (vm_offset_t, vm_paddr_t, vm_paddr_t, vm_offset_t);
   void vm_set_page_size (void);
   struct vmspace *vmspace_alloc (vm_offset_t, vm_offset_t);
   void vmspace_ref (struct vmspace *);
   void vmspace_free (struct vmspace *);
   void vmspace_hold (struct vmspace *);
   void vmspace_drop (struct vmspace *);
   struct vmspace *vmspace_fork (struct vmspace *);
   void vmspace_exec (struct proc *, struct vmspace *);
   void vmspace_unshare (struct proc *);
   void vmspace_exitfree (struct proc *);
   void vmspace_exitbump (struct vmspace *);
   void vslock (caddr_t, u_int);
   void vsunlock (caddr_t, u_int);
   void vm_object_print (/* db_expr_t */ long, boolean_t, /* db_expr_t */ long,
                             char *);
   
   static __inline
   vm_offset_t
   kmem_alloc (vm_map_t map, vm_size_t size)
   {
           return(kmem_alloc3(map, size, 0));
   }
   
   static __inline
   vm_offset_t
   kmem_alloc_stack (vm_map_t map, vm_size_t size)
   {
           return(kmem_alloc3(map, size, KM_STACK));
   }
   
   #endif                          /* _KERNEL */
   
   #endif                          /* !_VM_VM_EXTERN_H_ */

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