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/xnu-12377.1.9/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-12377.1.9/osfmk/vm/
H A Dvm_memory_entry.c546 user_entry->backing.copy = copy; in mach_make_memory_entry_copy()
696 parent_copy = parent_entry->backing.copy; in mach_make_memory_entry_share()
849 user_entry->backing.copy = copy; in mach_make_memory_entry_share()
1080 vm_map_t map = parent_entry->backing.map; in mach_make_memory_entry_from_parent_entry()
1082 user_entry->backing.map = map; in mach_make_memory_entry_from_parent_entry()
1667 copy = mem_entry->backing.copy; in mach_memory_entry_ownership()
1856 (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == in mach_memory_entry_map_size_sanitize_locked()
1942 if (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == VM_MAP_PAGE_MASK(map)) { in mach_memory_entry_map_size()
1949 …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()
1950 copy_map = mem_entry->backing.copy; in mach_memory_entry_map_size()
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H A Dvm_shared_region.c364 sr_map = sr_mem_entry->backing.map; in vm_shared_region_vm_map()
947 mem_entry->backing.map = sub_map; in vm_shared_region_create()
1063 map = mem_entry->backing.map; in vm_shared_region_destroy()
1504 sr_map = sr_mem_entry->backing.map; in vm_shared_region_undo_mappings()
1603 sr_map = sr_mem_entry->backing.map; in vm_shared_region_map_file_setup()
3752 mem_entry->backing.map = new_map; in _vm_commpage_init()
3779 commpage_text32_map = commpage_text32_entry->backing.map; in vm_commpage_text_init()
3786 commpage_text64_map = commpage_text64_entry->backing.map; in vm_commpage_text_init()
3810 commpage32_map = commpage32_entry->backing.map; in vm_commpage_init()
3816 commpage64_map = commpage64_entry->backing.map; in vm_commpage_init()
H A Dvm_map_xnu.h103 } backing; member
H A Dvm_map.c4254 submap = named_entry->backing.map; in vm_map_enter_mem_object()
4325 copy_map = named_entry->backing.copy; in vm_map_enter_mem_object()
21472 assert(named_entry->backing.copy == VM_MAP_COPY_NULL); in vm_named_entry_associate_vm_object()
21489 named_entry->backing.copy = copy; in vm_named_entry_associate_vm_object()
21510 copy = named_entry->backing.copy; in vm_named_entry_to_vm_object()
21556 map = named_entry->backing.map; in convert_port_entry_to_map()
/xnu-12377.1.9/osfmk/mach/
H A Dmemory_entry.defs62 /// Query the residency of the physical memory backing a given memory entry.
/xnu-12377.1.9/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-12377.1.9/tools/lldbmacros/
H A Dmemory.py5119 backing = ""
5121 backing += "SUBMAP"
5123 backing += "COPY"
5125 backing += "OBJECT"
5127 backing += "***?***"
5144 …:#016x} size={:#016x}{:s}".format(idx,entry,entry.protection,prot,backing,entry.backing.copy,entry…
5147 showmapvme(entry.backing.map, 0, 0, show_pager_info, show_all_shadows)
5149 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows)
5151 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows)
5308 …em_entry.ref_count, mem_entry.offset, mem_entry.size, mem_entry.protection, mem_entry.backing.copy)
/xnu-12377.1.9/doc/allocators/
H A Dapi-basics.md387 purpose as its backing store should not contain kernel pointers.
/xnu-12377.1.9/doc/vm/
H A Dfreezer.md38 …esting bug: wired memory. IOSurface takes out multiple references on the backing VM objects. As a …
H A Dmemorystatus.md117 … treat the contents of a range of pages as volatile and quickly free the backing pages under press…
/xnu-12377.1.9/doc/arm/
H A Dsme.md195 most threads, xnu lazily allocates the backing memory the first time a thread