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/xnu-10002.1.13/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-10002.1.13/osfmk/vm/
H A Dvm_user.c2921 user_entry->backing.copy = copy; in mach_make_memory_entry_internal()
3024 parent_copy = parent_entry->backing.copy; in mach_make_memory_entry_internal()
3168 user_entry->backing.copy = copy; in mach_make_memory_entry_internal()
3318 vm_map_t map = parent_entry->backing.map; in mach_make_memory_entry_internal()
3320 user_entry->backing.map = map; in mach_make_memory_entry_internal()
3805 copy = mem_entry->backing.copy; in mach_memory_entry_ownership()
4027 if (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == VM_MAP_PAGE_MASK(map)) { in mach_memory_entry_map_size()
4034 …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()
4035 copy_map = mem_entry->backing.copy; in mach_memory_entry_map_size()
4102 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()
1350 sr_map = sr_mem_entry->backing.map; in vm_shared_region_undo_mappings()
1491 sr_map = sr_mem_entry->backing.map; in vm_shared_region_map_file_setup()
2240 sr_map = sr_mem_entry->backing.map; in vm_shared_region_trim_and_get()
3457 mem_entry->backing.map = new_map; in _vm_commpage_init()
3484 commpage_text32_map = commpage_text32_entry->backing.map; in vm_commpage_text_init()
3491 commpage_text64_map = commpage_text64_entry->backing.map; in vm_commpage_text_init()
3515 commpage32_map = commpage32_entry->backing.map; in vm_commpage_init()
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H A Dvm_map.h167 } backing; member
H A Dvm_map.c4229 submap = named_entry->backing.map; in vm_map_enter_mem_object_helper()
4294 copy_map = named_entry->backing.copy; in vm_map_enter_mem_object_helper()
18590 copy_map = named_entry->backing.copy; in memory_entry_check_for_adjustment()
20366 assert(named_entry->backing.copy == VM_MAP_COPY_NULL); in vm_named_entry_associate_vm_object()
20383 named_entry->backing.copy = copy; in vm_named_entry_associate_vm_object()
20404 copy = named_entry->backing.copy; in vm_named_entry_to_vm_object()
20450 map = named_entry->backing.map; in convert_port_entry_to_map()
/xnu-10002.1.13/tools/lldbmacros/
H A Dmemory.py4831 backing = ""
4833 backing += "SUBMAP"
4835 backing += "COPY"
4837 backing += "OBJECT"
4839 backing += "***?***"
4856 …:#016x} size={:#016x}{:s}".format(idx,entry,entry.protection,prot,backing,entry.backing.copy,entry…
4859 showmapvme(entry.backing.map, 0, 0, show_pager_info, show_all_shadows)
4861 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows, 0)
4863 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows, 0)
5014 …em_entry.ref_count, mem_entry.offset, mem_entry.size, mem_entry.protection, mem_entry.backing.copy)
/xnu-10002.1.13/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-10002.1.13/doc/allocators/
H A Dapi-basics.md371 purpose as its backing store should not contain kernel pointers.