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sys/vm/vm_map.h
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/* | /* | ||||
* Address map entries consist of start and end addresses, | * Address map entries consist of start and end addresses, | ||||
* a VM object (or sharing map) and offset into that object, | * a VM object (or sharing map) and offset into that object, | ||||
* and user-exported inheritance and protection information. | * and user-exported inheritance and protection information. | ||||
* Also included is control information for virtual copy operations. | * Also included is control information for virtual copy operations. | ||||
*/ | */ | ||||
struct vm_map_entry { | struct vm_map_entry { | ||||
struct vm_map_entry *prev; /* previous entry */ | |||||
struct vm_map_entry *next; /* next entry */ | struct vm_map_entry *next; /* next entry */ | ||||
struct vm_map_entry *left; /* left child in binary search tree */ | struct vm_map_entry *left; /* left child in binary search tree */ | ||||
struct vm_map_entry *right; /* right child in binary search tree */ | struct vm_map_entry *right; /* right child in binary search tree */ | ||||
vm_offset_t start; /* start address */ | vm_offset_t start; /* start address */ | ||||
vm_offset_t end; /* end address */ | vm_offset_t end; /* end address */ | ||||
vm_offset_t next_read; /* vaddr of the next sequential read */ | vm_offset_t next_read; /* vaddr of the next sequential read */ | ||||
vm_size_t max_free; /* max free space in subtree */ | vm_size_t max_free; /* max free space in subtree */ | ||||
union vm_map_object object; /* object I point to */ | union vm_map_object object; /* object I point to */ | ||||
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int vm_map_inherit (vm_map_t, vm_offset_t, vm_offset_t, vm_inherit_t); | int vm_map_inherit (vm_map_t, vm_offset_t, vm_offset_t, vm_inherit_t); | ||||
void vm_map_init(vm_map_t, pmap_t, vm_offset_t, vm_offset_t); | void vm_map_init(vm_map_t, pmap_t, vm_offset_t, vm_offset_t); | ||||
int vm_map_insert (vm_map_t, vm_object_t, vm_ooffset_t, vm_offset_t, vm_offset_t, vm_prot_t, vm_prot_t, int); | int vm_map_insert (vm_map_t, vm_object_t, vm_ooffset_t, vm_offset_t, vm_offset_t, vm_prot_t, vm_prot_t, int); | ||||
int vm_map_lookup (vm_map_t *, vm_offset_t, vm_prot_t, vm_map_entry_t *, vm_object_t *, | int vm_map_lookup (vm_map_t *, vm_offset_t, vm_prot_t, vm_map_entry_t *, vm_object_t *, | ||||
vm_pindex_t *, vm_prot_t *, boolean_t *); | vm_pindex_t *, vm_prot_t *, boolean_t *); | ||||
int vm_map_lookup_locked(vm_map_t *, vm_offset_t, vm_prot_t, vm_map_entry_t *, vm_object_t *, | int vm_map_lookup_locked(vm_map_t *, vm_offset_t, vm_prot_t, vm_map_entry_t *, vm_object_t *, | ||||
vm_pindex_t *, vm_prot_t *, boolean_t *); | vm_pindex_t *, vm_prot_t *, boolean_t *); | ||||
void vm_map_lookup_done (vm_map_t, vm_map_entry_t); | void vm_map_lookup_done (vm_map_t, vm_map_entry_t); | ||||
boolean_t vm_map_lookup_entry (vm_map_t, vm_offset_t, vm_map_entry_t *); | bool vm_map_lookup_entry(vm_map_t, vm_offset_t, vm_map_entry_t *); | ||||
int vm_map_protect (vm_map_t, vm_offset_t, vm_offset_t, vm_prot_t, boolean_t); | int vm_map_protect (vm_map_t, vm_offset_t, vm_offset_t, vm_prot_t, boolean_t); | ||||
int vm_map_remove (vm_map_t, vm_offset_t, vm_offset_t); | int vm_map_remove (vm_map_t, vm_offset_t, vm_offset_t); | ||||
void vm_map_try_merge_entries(vm_map_t map, vm_map_entry_t prev, | void vm_map_try_merge_entries(vm_map_t map, vm_map_entry_t prev, | ||||
vm_map_entry_t entry); | vm_map_entry_t entry); | ||||
void vm_map_startup (void); | void vm_map_startup (void); | ||||
int vm_map_submap (vm_map_t, vm_offset_t, vm_offset_t, vm_map_t); | int vm_map_submap (vm_map_t, vm_offset_t, vm_offset_t, vm_map_t); | ||||
int vm_map_sync(vm_map_t, vm_offset_t, vm_offset_t, boolean_t, boolean_t); | int vm_map_sync(vm_map_t, vm_offset_t, vm_offset_t, boolean_t, boolean_t); | ||||
int vm_map_madvise (vm_map_t, vm_offset_t, vm_offset_t, int); | int vm_map_madvise (vm_map_t, vm_offset_t, vm_offset_t, int); | ||||
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