1 /* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)vm.h 8.2 (Berkeley) 12/13/93 8 */ 9 10 #ifndef VM_H 11 #define VM_H 12 13 typedef int vm_inherit_t; /* XXX: inheritance codes */ 14 15 union vm_map_object; 16 typedef union vm_map_object vm_map_object_t; 17 18 struct vm_map_entry; 19 typedef struct vm_map_entry *vm_map_entry_t; 20 21 struct vm_map; 22 typedef struct vm_map *vm_map_t; 23 24 struct vm_object; 25 typedef struct vm_object *vm_object_t; 26 27 struct vm_page; 28 typedef struct vm_page *vm_page_t; 29 30 struct pager_struct; 31 typedef struct pager_struct *vm_pager_t; 32 33 #include <sys/vmmeter.h> 34 #include <sys/queue.h> 35 #include <vm/vm_param.h> 36 #include <vm/lock.h> 37 #include <vm/vm_prot.h> 38 #include <vm/vm_inherit.h> 39 #include <vm/vm_map.h> 40 #include <vm/vm_object.h> 41 #include <vm/pmap.h> 42 #include <vm/vm_extern.h> 43 44 /* 45 * Shareable process virtual address space. 46 * May eventually be merged with vm_map. 47 * Several fields are temporary (text, data stuff). 48 */ 49 struct vmspace { 50 struct vm_map vm_map; /* VM address map */ 51 struct pmap vm_pmap; /* private physical map */ 52 int vm_refcnt; /* number of references */ 53 caddr_t vm_shm; /* SYS5 shared memory private data XXX */ 54 /* we copy from vm_startcopy to the end of the structure on fork */ 55 #define vm_startcopy vm_rssize 56 segsz_t vm_rssize; /* current resident set size in pages */ 57 segsz_t vm_swrss; /* resident set size before last swap */ 58 segsz_t vm_tsize; /* text size (pages) XXX */ 59 segsz_t vm_dsize; /* data size (pages) XXX */ 60 segsz_t vm_ssize; /* stack size (pages) */ 61 caddr_t vm_taddr; /* user virtual address of text XXX */ 62 caddr_t vm_daddr; /* user virtual address of data XXX */ 63 caddr_t vm_maxsaddr; /* user VA at max stack growth */ 64 }; 65 #endif /* VM_H */ 66