MiGetSubsectionFromPte

INT64 __fastcall MiGetSubsectionFromPte(INT64 a1){
  if( qword_140C4DC80 && (a1 & 0x10) == 0 )
    a1 &= ~qword_140C4DC80;
  return a1 >> 16;
}

Referenced by:

MiRelocateImage