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/xnu-10063.141.1/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-10063.141.1/osfmk/vm/
H A Dvm_user.c2922 user_entry->backing.copy = copy; in mach_make_memory_entry_internal()
3025 parent_copy = parent_entry->backing.copy; in mach_make_memory_entry_internal()
3169 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()
3829 copy = mem_entry->backing.copy; in mach_memory_entry_ownership()
4051 if (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == VM_MAP_PAGE_MASK(map)) { in mach_memory_entry_map_size()
4058 …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()
4059 copy_map = mem_entry->backing.copy; in mach_memory_entry_map_size()
4126 vm_map_deallocate(named_entry->backing.map); in mach_memory_entry_no_senders()
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H A Dvm_shared_region.c280 sr_map = sr_mem_entry->backing.map; in vm_shared_region_vm_map()
827 mem_entry->backing.map = sub_map; in vm_shared_region_create()
928 map = mem_entry->backing.map; in vm_shared_region_destroy()
1360 sr_map = sr_mem_entry->backing.map; in vm_shared_region_undo_mappings()
1501 sr_map = sr_mem_entry->backing.map; in vm_shared_region_map_file_setup()
2251 sr_map = sr_mem_entry->backing.map; in vm_shared_region_trim_and_get()
3599 mem_entry->backing.map = new_map; in _vm_commpage_init()
3626 commpage_text32_map = commpage_text32_entry->backing.map; in vm_commpage_text_init()
3633 commpage_text64_map = commpage_text64_entry->backing.map; in vm_commpage_text_init()
3657 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.c4308 submap = named_entry->backing.map; in vm_map_enter_mem_object_helper()
4373 copy_map = named_entry->backing.copy; in vm_map_enter_mem_object_helper()
19047 copy_map = named_entry->backing.copy; in memory_entry_check_for_adjustment()
20828 assert(named_entry->backing.copy == VM_MAP_COPY_NULL); in vm_named_entry_associate_vm_object()
20845 named_entry->backing.copy = copy; in vm_named_entry_associate_vm_object()
20866 copy = named_entry->backing.copy; in vm_named_entry_to_vm_object()
20912 map = named_entry->backing.map; in convert_port_entry_to_map()
/xnu-10063.141.1/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-10063.141.1/tools/lldbmacros/
H A Dmemory.py4821 backing = ""
4823 backing += "SUBMAP"
4825 backing += "COPY"
4827 backing += "OBJECT"
4829 backing += "***?***"
4846 …:#016x} size={:#016x}{:s}".format(idx,entry,entry.protection,prot,backing,entry.backing.copy,entry…
4849 showmapvme(entry.backing.map, 0, 0, show_pager_info, show_all_shadows)
4851 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows, 0)
4853 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows, 0)
5004 …em_entry.ref_count, mem_entry.offset, mem_entry.size, mem_entry.protection, mem_entry.backing.copy)
/xnu-10063.141.1/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-10063.141.1/doc/allocators/
H A Dapi-basics.md386 purpose as its backing store should not contain kernel pointers.