/* $Id: vm.h,v 1.2 1996/01/16 14:22:53 chris Exp $ */ /* * Copyright (c) 1991 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.h 7.1 (Berkeley) 5/5/91 */ #ifndef VM_H #define VM_H #ifndef PROM #include #include #include #include #include #include #include #include #include /* * Shareable process virtual address space. * May eventually be merged with vm_map. * Several fields are temporary (text, data stuff). */ struct vmspace { struct vm_map vm_map; /* VM address map */ struct pmap vm_pmap; /* private physical map */ int vm_refcnt; /* number of references */ caddr_t vm_shm; /* SYS5 shared memory private data XXX */ /* we copy from vm_startcopy to the end of the structure on fork */ #define vm_startcopy vm_rssize segsz_t vm_rssize; /* current resident set size in pages */ segsz_t vm_swrss; /* resident set size before last swap */ segsz_t vm_tsize; /* text size (pages) XXX */ segsz_t vm_dsize; /* data size (pages) XXX */ segsz_t vm_ssize; /* stack size (pages) */ caddr_t vm_taddr; /* user virtual address of text XXX */ caddr_t vm_daddr; /* user virtual address of data XXX */ caddr_t vm_maxsaddr; /* user VA at max stack growth */ }; struct vmspace *vmspace_alloc __P((vm_offset_t min, vm_offset_t max, int pageable)); struct vmspace *vmspace_fork __P((struct vmspace *)); void vmspace_free __P((struct vmspace *)); #else #include "vm/vm_param.h" /* only type used by network-only code */ typedef struct vm_map *vm_map_t; #endif /* !PROM */ #endif /* VM_H */
