KiComputeProcessorDataSize

UINT64 __stdcall KiComputeProcessorDataSize(UINT64 MaxProcCount, UINT64 *GdtOffset, UINT64 *IdtOffset){
  unsigned int v3; 

  v3 = (((_DWORD)MaxProcCount << 6) + 51903) & 0xFFFFF000;
  *(_DWORD *)IdtOffset = v3 + 4096;
  *(_DWORD *)GdtOffset = v3 + 16304;
  return v3 + 28672;
}

Referenced by:

KeStartAllProcessors
KiStartDynamicProcessor