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/xnu-8792.81.2/bsd/miscfs/devfs/
H A DREADME42 and the backing nodes, however once the front plane has been created
49 by their associated backing node, so that multiple front nodes that
62 in the 'backing' node for that object. Once you have erased 'front'
63 object, there is no memory of where the backing object was, and
64 except for the possibility of searching the entire backing tree
67 (I hope) devices that go direct from the backing node to the driver
82 Directories also have backing nodes but there is nothing to stop
86 of that directory and do not refer to their original backing node
91 backing nodes and the front nodes. The backing node never moves. If
92 a driver decides to remove a device from the backing tree, the FS
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/xnu-8792.81.2/osfmk/vm/
H A Dvm_user.c3014 user_entry->backing.copy = copy; in mach_make_memory_entry_internal()
3104 parent_copy = parent_entry->backing.copy; in mach_make_memory_entry_internal()
3254 user_entry->backing.copy = copy; in mach_make_memory_entry_internal()
3371 vm_map_t map = parent_entry->backing.map; in mach_make_memory_entry_internal()
3373 user_entry->backing.map = map; in mach_make_memory_entry_internal()
3858 copy = mem_entry->backing.copy; in mach_memory_entry_ownership()
4080 if (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == VM_MAP_PAGE_MASK(map)) { in mach_memory_entry_map_size()
4087 …set 0x%llx size 0x%llx\n", mem_entry, mem_entry->backing.copy, VM_MAP_COPY_PAGE_SHIFT(mem_entry->b… in mach_memory_entry_map_size()
4088 copy_map = mem_entry->backing.copy; in mach_memory_entry_map_size()
4155 vm_map_deallocate(named_entry->backing.map); in mach_memory_entry_no_senders()
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H A Dvm_shared_region.c276 sr_map = sr_mem_entry->backing.map; in vm_shared_region_vm_map()
823 mem_entry->backing.map = sub_map; in vm_shared_region_create()
924 map = mem_entry->backing.map; in vm_shared_region_destroy()
1336 sr_map = sr_mem_entry->backing.map; in vm_shared_region_undo_mappings()
1477 sr_map = sr_mem_entry->backing.map; in vm_shared_region_map_file_setup()
2230 sr_map = sr_mem_entry->backing.map; in vm_shared_region_trim_and_get()
3459 mem_entry->backing.map = new_map; in _vm_commpage_init()
3486 commpage_text32_map = commpage_text32_entry->backing.map; in vm_commpage_text_init()
3493 commpage_text64_map = commpage_text64_entry->backing.map; in vm_commpage_text_init()
3517 commpage32_map = commpage32_entry->backing.map; in vm_commpage_init()
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H A Dvm_map.h172 } backing; member
H A Dvm_map.c4138 submap = named_entry->backing.map; in vm_map_enter_mem_object_helper()
4205 copy_map = named_entry->backing.copy; in vm_map_enter_mem_object_helper()
18266 copy_map = named_entry->backing.copy; in memory_entry_check_for_adjustment()
20003 assert(named_entry->backing.copy == VM_MAP_COPY_NULL); in vm_named_entry_associate_vm_object()
20022 named_entry->backing.copy = copy; in vm_named_entry_associate_vm_object()
20043 copy = named_entry->backing.copy; in vm_named_entry_to_vm_object()
20089 map = named_entry->backing.map; in convert_port_entry_to_map()
/xnu-8792.81.2/tools/lldbmacros/
H A Dmemory.py4896 backing = ""
4898 backing += "SUBMAP"
4900 backing += "COPY"
4902 backing += "OBJECT"
4904 backing += "***?***"
4921 …016x} size={:#016x}{:s}\n".format(idx,entry,entry.protection,prot,backing,entry.backing.copy,entry…
4923 showmapvme(entry.backing.map, 0, 0, show_pager_info, show_all_shadows)
4925 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows, 0)
4927 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows, 0)
5137 …em_entry.ref_count, mem_entry.offset, mem_entry.size, mem_entry.protection, mem_entry.backing.copy)
/xnu-8792.81.2/doc/memorystatus/
H A Doverview.md122 … treat the contents of a range of pages as volatile and quickly free the backing pages under press…
H A Dfreezer.md42 …esting bug: wired memory. IOSurface takes out multiple references on the backing VM objects. As a …
/xnu-8792.81.2/doc/allocators/
H A Dapi-basics.md371 purpose as its backing store should not contain kernel pointers.