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/xnu-12377.81.4/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-12377.81.4/osfmk/vm/
H A Dvm_memory_entry.c558 user_entry->backing.copy = copy; in mach_make_memory_entry_copy()
708 parent_copy = parent_entry->backing.copy; in mach_make_memory_entry_share()
874 user_entry->backing.copy = copy; in mach_make_memory_entry_share()
1105 vm_map_t map = parent_entry->backing.map; in mach_make_memory_entry_from_parent_entry()
1107 user_entry->backing.map = map; in mach_make_memory_entry_from_parent_entry()
1692 copy = mem_entry->backing.copy; in mach_memory_entry_ownership()
1881 (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == in mach_memory_entry_map_size_sanitize_locked()
1967 if (VM_MAP_COPY_PAGE_MASK(mem_entry->backing.copy) == VM_MAP_PAGE_MASK(map)) { in mach_memory_entry_map_size()
1974 …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()
1975 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()
3757 mem_entry->backing.map = new_map; in _vm_commpage_init()
3784 commpage_text32_map = commpage_text32_entry->backing.map; in vm_commpage_text_init()
3791 commpage_text64_map = commpage_text64_entry->backing.map; in vm_commpage_text_init()
3815 commpage32_map = commpage32_entry->backing.map; in vm_commpage_init()
3821 commpage64_map = commpage64_entry->backing.map; in vm_commpage_init()
H A Dvm_map_xnu.h103 } backing; member
H A Dvm_map.c4535 submap = named_entry->backing.map; in vm_map_enter_mem_object()
4611 copy_map = named_entry->backing.copy; in vm_map_enter_mem_object()
22624 assert(named_entry->backing.copy == VM_MAP_COPY_NULL); in vm_named_entry_associate_vm_object()
22641 named_entry->backing.copy = copy; in vm_named_entry_associate_vm_object()
22662 copy = named_entry->backing.copy; in vm_named_entry_to_vm_object()
22708 map = named_entry->backing.map; in convert_port_entry_to_map()
/xnu-12377.81.4/osfmk/mach/
H A Dmemory_entry.defs62 /// Query the residency of the physical memory backing a given memory entry.
/xnu-12377.81.4/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-12377.81.4/tools/lldbmacros/
H A Dmemory.py5123 backing = ""
5125 backing += "SUBMAP"
5127 backing += "COPY"
5129 backing += "OBJECT"
5131 backing += "***?***"
5148 …:#016x} size={:#016x}{:s}".format(idx,entry,entry.protection,prot,backing,entry.backing.copy,entry…
5151 showmapvme(entry.backing.map, 0, 0, show_pager_info, show_all_shadows)
5153 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows)
5155 showmapcopyvme(entry.backing.copy, 0, 0, show_pager_info, show_all_shadows)
5312 …em_entry.ref_count, mem_entry.offset, mem_entry.size, mem_entry.protection, mem_entry.backing.copy)
/xnu-12377.81.4/doc/allocators/
H A Dapi-basics.md387 purpose as its backing store should not contain kernel pointers.
/xnu-12377.81.4/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-12377.81.4/doc/arm/
H A Dsme.md195 most threads, xnu lazily allocates the backing memory the first time a thread