copy
//0x4 bytes (sizeof)
union _KI_AVAILABLE_CPUS_WORK_STATE
{
    ULONG WorkerExecuting:1;                                                //0x0
    ULONG WorkPresent:1;                                                    //0x0
    ULONG Reserved:30;                                                      //0x0
    ULONG AllFields;                                                        //0x0
};