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/xnu-11215.61.5/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-11215.61.5/osfmk/vm/
H A Dvm_memory_entry.c581 user_entry->backing.copy = copy; in mach_make_memory_entry_copy()
728 parent_copy = parent_entry->backing.copy; in mach_make_memory_entry_share()
861 user_entry->backing.copy = copy; in mach_make_memory_entry_share()
1088 vm_map_t map = parent_entry->backing.map; in mach_make_memory_entry_from_parent_entry()
1090 user_entry->backing.map = map; in mach_make_memory_entry_from_parent_entry()
1679 copy = mem_entry->backing.copy; in mach_memory_entry_ownership()
1867 (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == in mach_memory_entry_map_size_sanitize_locked()
1953 if (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == VM_MAP_PAGE_MASK(map)) { in mach_memory_entry_map_size()
1960 …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()
1961 copy_map = mem_entry->backing.copy; in mach_memory_entry_map_size()
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H A Dvm_shared_region.c282 sr_map = sr_mem_entry->backing.map; in vm_shared_region_vm_map()
829 mem_entry->backing.map = sub_map; in vm_shared_region_create()
930 map = mem_entry->backing.map; in vm_shared_region_destroy()
1362 sr_map = sr_mem_entry->backing.map; in vm_shared_region_undo_mappings()
1503 sr_map = sr_mem_entry->backing.map; in vm_shared_region_map_file_setup()
2252 sr_map = sr_mem_entry->backing.map; in vm_shared_region_trim_and_get()
3602 mem_entry->backing.map = new_map; in _vm_commpage_init()
3629 commpage_text32_map = commpage_text32_entry->backing.map; in vm_commpage_text_init()
3636 commpage_text64_map = commpage_text64_entry->backing.map; in vm_commpage_text_init()
3660 commpage32_map = commpage32_entry->backing.map; in vm_commpage_init()
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H A Dvm_map_xnu.h103 } backing; member
H A Dvm_user.c1862 user_entry->backing.map = new_map; in vm_region_object_create()
H A Dvm_map.c4120 submap = named_entry->backing.map; in vm_map_enter_mem_object()
4188 copy_map = named_entry->backing.copy; in vm_map_enter_mem_object()
20978 assert(named_entry->backing.copy == VM_MAP_COPY_NULL); in vm_named_entry_associate_vm_object()
20995 named_entry->backing.copy = copy; in vm_named_entry_associate_vm_object()
21016 copy = named_entry->backing.copy; in vm_named_entry_to_vm_object()
21062 map = named_entry->backing.map; in convert_port_entry_to_map()
/xnu-11215.61.5/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-11215.61.5/tools/lldbmacros/
H A Dmemory.py5006 backing = ""
5008 backing += "SUBMAP"
5010 backing += "COPY"
5012 backing += "OBJECT"
5014 backing += "***?***"
5031 …:#016x} size={:#016x}{:s}".format(idx,entry,entry.protection,prot,backing,entry.backing.copy,entry…
5034 showmapvme(entry.backing.map, 0, 0, show_pager_info, show_all_shadows)
5036 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows)
5038 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows)
5189 …em_entry.ref_count, mem_entry.offset, mem_entry.size, mem_entry.protection, mem_entry.backing.copy)
/xnu-11215.61.5/doc/arm/
H A Dsme.md195 most threads, xnu lazily allocates the backing memory the first time a thread
/xnu-11215.61.5/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-11215.61.5/doc/allocators/
H A Dapi-basics.md387 purpose as its backing store should not contain kernel pointers.