vm_object.h (09c817ba36db7c3a4ff5e25ac55816ca181a403d) vm_object.h (3153e878dd4c552fb5c680742041a98dc3deb9ea)
1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without

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87 LIST_HEAD(, vm_object) shadow_head; /* objects that this is a shadow for */
88 LIST_ENTRY(vm_object) shadow_list; /* chain of shadow objects */
89 TAILQ_HEAD(, vm_page) memq; /* list of resident pages */
90 vm_page_t root; /* root of the resident page splay tree */
91 vm_pindex_t size; /* Object size */
92 int generation; /* generation ID */
93 int ref_count; /* How many refs?? */
94 int shadow_count; /* how many objects that this is a shadow for */
1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without

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87 LIST_HEAD(, vm_object) shadow_head; /* objects that this is a shadow for */
88 LIST_ENTRY(vm_object) shadow_list; /* chain of shadow objects */
89 TAILQ_HEAD(, vm_page) memq; /* list of resident pages */
90 vm_page_t root; /* root of the resident page splay tree */
91 vm_pindex_t size; /* Object size */
92 int generation; /* generation ID */
93 int ref_count; /* How many refs?? */
94 int shadow_count; /* how many objects that this is a shadow for */
95 vm_memattr_t memattr; /* default memory attribute for pages */
95 objtype_t type; /* type of pager */
96 u_short flags; /* see below */
97 u_short pg_color; /* (c) color of first page in obj */
98 u_short paging_in_progress; /* Paging (in or out) so don't collapse or destroy */
99 int resident_page_count; /* number of resident pages */
100 struct vm_object *backing_object; /* object that I'm a shadow of */
101 vm_ooffset_t backing_object_offset;/* Offset in backing object */
102 TAILQ_ENTRY(vm_object) pager_object_list; /* list of all objects of this pager type */

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208void vm_object_terminate (vm_object_t);
209void vm_object_set_writeable_dirty (vm_object_t);
210void vm_object_init (void);
211void vm_object_page_clean (vm_object_t, vm_pindex_t, vm_pindex_t, boolean_t);
212void vm_object_page_remove (vm_object_t, vm_pindex_t, vm_pindex_t, boolean_t);
213boolean_t vm_object_populate(vm_object_t, vm_pindex_t, vm_pindex_t);
214void vm_object_reference (vm_object_t);
215void vm_object_reference_locked(vm_object_t);
96 objtype_t type; /* type of pager */
97 u_short flags; /* see below */
98 u_short pg_color; /* (c) color of first page in obj */
99 u_short paging_in_progress; /* Paging (in or out) so don't collapse or destroy */
100 int resident_page_count; /* number of resident pages */
101 struct vm_object *backing_object; /* object that I'm a shadow of */
102 vm_ooffset_t backing_object_offset;/* Offset in backing object */
103 TAILQ_ENTRY(vm_object) pager_object_list; /* list of all objects of this pager type */

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209void vm_object_terminate (vm_object_t);
210void vm_object_set_writeable_dirty (vm_object_t);
211void vm_object_init (void);
212void vm_object_page_clean (vm_object_t, vm_pindex_t, vm_pindex_t, boolean_t);
213void vm_object_page_remove (vm_object_t, vm_pindex_t, vm_pindex_t, boolean_t);
214boolean_t vm_object_populate(vm_object_t, vm_pindex_t, vm_pindex_t);
215void vm_object_reference (vm_object_t);
216void vm_object_reference_locked(vm_object_t);
217int vm_object_set_memattr(vm_object_t object, vm_memattr_t memattr);
216void vm_object_shadow (vm_object_t *, vm_ooffset_t *, vm_size_t);
217void vm_object_split(vm_map_entry_t);
218void vm_object_sync(vm_object_t, vm_ooffset_t, vm_size_t, boolean_t,
219 boolean_t);
220void vm_object_madvise (vm_object_t, vm_pindex_t, int, int);
221#endif /* _KERNEL */
222
223#endif /* _VM_OBJECT_ */
218void vm_object_shadow (vm_object_t *, vm_ooffset_t *, vm_size_t);
219void vm_object_split(vm_map_entry_t);
220void vm_object_sync(vm_object_t, vm_ooffset_t, vm_size_t, boolean_t,
221 boolean_t);
222void vm_object_madvise (vm_object_t, vm_pindex_t, int, int);
223#endif /* _KERNEL */
224
225#endif /* _VM_OBJECT_ */