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/xnu-8796.141.3/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-8796.141.3/osfmk/vm/
H A Dvm_user.c2915 user_entry->backing.copy = copy; in mach_make_memory_entry_internal()
3018 parent_copy = parent_entry->backing.copy; in mach_make_memory_entry_internal()
3162 user_entry->backing.copy = copy; in mach_make_memory_entry_internal()
3312 vm_map_t map = parent_entry->backing.map; in mach_make_memory_entry_internal()
3314 user_entry->backing.map = map; in mach_make_memory_entry_internal()
3799 copy = mem_entry->backing.copy; in mach_memory_entry_ownership()
4021 if (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == VM_MAP_PAGE_MASK(map)) { in mach_memory_entry_map_size()
4028 …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()
4029 copy_map = mem_entry->backing.copy; in mach_memory_entry_map_size()
4096 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()
1332 sr_map = sr_mem_entry->backing.map; in vm_shared_region_undo_mappings()
1473 sr_map = sr_mem_entry->backing.map; in vm_shared_region_map_file_setup()
2220 sr_map = sr_mem_entry->backing.map; in vm_shared_region_trim_and_get()
3438 mem_entry->backing.map = new_map; in _vm_commpage_init()
3465 commpage_text32_map = commpage_text32_entry->backing.map; in vm_commpage_text_init()
3472 commpage_text64_map = commpage_text64_entry->backing.map; in vm_commpage_text_init()
3496 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.c4155 submap = named_entry->backing.map; in vm_map_enter_mem_object_helper()
4220 copy_map = named_entry->backing.copy; in vm_map_enter_mem_object_helper()
18431 copy_map = named_entry->backing.copy; in memory_entry_check_for_adjustment()
20207 assert(named_entry->backing.copy == VM_MAP_COPY_NULL); in vm_named_entry_associate_vm_object()
20224 named_entry->backing.copy = copy; in vm_named_entry_associate_vm_object()
20245 copy = named_entry->backing.copy; in vm_named_entry_to_vm_object()
20291 map = named_entry->backing.map; in convert_port_entry_to_map()
/xnu-8796.141.3/tools/lldbmacros/
H A Dmemory.py4698 backing = ""
4700 backing += "SUBMAP"
4702 backing += "COPY"
4704 backing += "OBJECT"
4706 backing += "***?***"
4723 …:#016x} size={:#016x}{:s}".format(idx,entry,entry.protection,prot,backing,entry.backing.copy,entry…
4726 showmapvme(entry.backing.map, 0, 0, show_pager_info, show_all_shadows)
4728 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows, 0)
4730 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows, 0)
4881 …em_entry.ref_count, mem_entry.offset, mem_entry.size, mem_entry.protection, mem_entry.backing.copy)
/xnu-8796.141.3/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-8796.141.3/doc/allocators/
H A Dapi-basics.md371 purpose as its backing store should not contain kernel pointers.