1 /* 2 * Copyright (c) 1991 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)vm.h 7.3 (Berkeley) 05/04/92 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 35 #include <vm/vm_param.h> 36 #include <vm/lock.h> 37 #include <vm/queue.h> 38 #include <vm/vm_prot.h> 39 #include <vm/vm_inherit.h> 40 #include <vm/vm_map.h> 41 #include <vm/vm_object.h> 42 #include <vm/pmap.h> 43 #include <vm/vm_extern.h> 44 45 /* 46 * Shareable process virtual address space. 47 * May eventually be merged with vm_map. 48 * Several fields are temporary (text, data stuff). 49 */ 50 struct vmspace { 51 struct vm_map vm_map; /* VM address map */ 52 struct pmap vm_pmap; /* private physical map */ 53 int vm_refcnt; /* number of references */ 54 caddr_t vm_shm; /* SYS5 shared memory private data XXX */ 55 /* we copy from vm_startcopy to the end of the structure on fork */ 56 #define vm_startcopy vm_rssize 57 segsz_t vm_rssize; /* current resident set size in pages */ 58 segsz_t vm_swrss; /* resident set size before last swap */ 59 segsz_t vm_tsize; /* text size (pages) XXX */ 60 segsz_t vm_dsize; /* data size (pages) XXX */ 61 segsz_t vm_ssize; /* stack size (pages) */ 62 caddr_t vm_taddr; /* user virtual address of text XXX */ 63 caddr_t vm_daddr; /* user virtual address of data XXX */ 64 caddr_t vm_maxsaddr; /* user VA at max stack growth */ 65 }; 66 #endif /* VM_H */ 67