Used in
- _ALPC_COMPLETION_PACKET_LOOKASIDE, _ALPC_COMPLETION_PACKET_LOOKASIDE_ENTRY, _GENERAL_LOOKASIDE, _GENERAL_LOOKASIDE_POOL, _HEAP_SUBSEGMENT, _HEAP_USERDATA_HEADER, _KPRCB, _KPROCESS, _KTHREAD, _LPCP_MESSAGE, _MMPAGING_FILE_FREE_ENTRY, _MMPFN, _MM_PAGE_ACCESS_INFO_HEADER, _PI_BUS_EXTENSION, _SINGLE_LIST_ENTRY, _WMI_BUFFER_HEADER