MiReservePrivilegedPtes

NTSTATUS __fastcall MiReservePrivilegedPtes(INT64 a1){
  __int64 v3; 
  if( (MiFlags & 0x8000) == 0 )
    return 0;
  LOBYTE(v3) = 0;
  if( a1 )
    v3 = *(_QWORD *)(*(_QWORD *)(a1 + 96) + 56i64);
  return KeReservePrivilegedPages(v3);
}

Referenced by:

MiGetSystemAddressForImage
MiMapSystemImageWithLargePage