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/xnu-11417.140.69/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-11417.140.69/osfmk/vm/
H A Dvm_memory_entry.c583 user_entry->backing.copy = copy; in mach_make_memory_entry_copy()
731 parent_copy = parent_entry->backing.copy; in mach_make_memory_entry_share()
864 user_entry->backing.copy = copy; in mach_make_memory_entry_share()
1091 vm_map_t map = parent_entry->backing.map; in mach_make_memory_entry_from_parent_entry()
1093 user_entry->backing.map = map; in mach_make_memory_entry_from_parent_entry()
1683 copy = mem_entry->backing.copy; in mach_memory_entry_ownership()
1871 (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == in mach_memory_entry_map_size_sanitize_locked()
1957 if (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == VM_MAP_PAGE_MASK(map)) { in mach_memory_entry_map_size()
1964 …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()
1965 copy_map = mem_entry->backing.copy; in mach_memory_entry_map_size()
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H A Dvm_shared_region.c289 sr_map = sr_mem_entry->backing.map; in vm_shared_region_vm_map()
836 mem_entry->backing.map = sub_map; in vm_shared_region_create()
937 map = mem_entry->backing.map; in vm_shared_region_destroy()
1368 sr_map = sr_mem_entry->backing.map; in vm_shared_region_undo_mappings()
1509 sr_map = sr_mem_entry->backing.map; in vm_shared_region_map_file_setup()
2258 sr_map = sr_mem_entry->backing.map; in vm_shared_region_trim_and_get()
3608 mem_entry->backing.map = new_map; in _vm_commpage_init()
3635 commpage_text32_map = commpage_text32_entry->backing.map; in vm_commpage_text_init()
3642 commpage_text64_map = commpage_text64_entry->backing.map; in vm_commpage_text_init()
3666 commpage32_map = commpage32_entry->backing.map; in vm_commpage_init()
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H A Dvm_map_xnu.h102 } backing; member
H A Dvm_user.c1894 user_entry->backing.map = new_map; in vm_region_object_create()
H A Dvm_map.c4203 submap = named_entry->backing.map; in vm_map_enter_mem_object()
4272 copy_map = named_entry->backing.copy; in vm_map_enter_mem_object()
21192 assert(named_entry->backing.copy == VM_MAP_COPY_NULL); in vm_named_entry_associate_vm_object()
21209 named_entry->backing.copy = copy; in vm_named_entry_associate_vm_object()
21230 copy = named_entry->backing.copy; in vm_named_entry_to_vm_object()
21276 map = named_entry->backing.map; in convert_port_entry_to_map()
/xnu-11417.140.69/tests/vm/
H A Dtest_vm_no_pager.m40 #define FORCED_UNMOUNT_ERROR "Object has no pager because the backing vnode was force unmounted"
42 #define UNGRAFTED_ERROR "Object has no pager because the backing vnode was ungrafted"
/xnu-11417.140.69/tools/lldbmacros/
H A Dmemory.py5160 backing = ""
5162 backing += "SUBMAP"
5164 backing += "COPY"
5166 backing += "OBJECT"
5168 backing += "***?***"
5185 …:#016x} size={:#016x}{:s}".format(idx,entry,entry.protection,prot,backing,entry.backing.copy,entry…
5188 showmapvme(entry.backing.map, 0, 0, show_pager_info, show_all_shadows)
5190 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows)
5192 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows)
5345 …em_entry.ref_count, mem_entry.offset, mem_entry.size, mem_entry.protection, mem_entry.backing.copy)
/xnu-11417.140.69/doc/allocators/
H A Dapi-basics.md387 purpose as its backing store should not contain kernel pointers.
/xnu-11417.140.69/doc/vm/
H A Dmemorystatus.md117 … treat the contents of a range of pages as volatile and quickly free the backing pages under press…
H A Dfreezer.md38 …esting bug: wired memory. IOSurface takes out multiple references on the backing VM objects. As a …
/xnu-11417.140.69/doc/arm/
H A Dsme.md195 most threads, xnu lazily allocates the backing memory the first time a thread