KeGetCurrentProcessorNumberEx

VOID __stdcall KeGetCurrentProcessorNumberEx(_PROCESSOR_NUMBER *ProcNumber){
  struct _KPRCB *CurrentPrcb; 
  CurrentPrcb = KeGetCurrentPrcb();
  if( ProcNumber )
  {
    ProcNumber->Group = *((unsigned __int8 *)CurrentPrcb + 208);
    *(_WORD *)&ProcNumber->Number = *((unsigned __int8 *)CurrentPrcb + 209);
  }
}

Referenced by:

HalpHvInitMcaPcrContext
HalpMcaInitializePcrContext
KiCopyCountersWorker
KiInterruptDispatchCommon
PopFxAddLogEntry
PopIdleWakeNotifyWakeSource
RtlpHpLfhBucketUpdateAffinityMapping