MmGetTotalCommittedPages

NTSTATUS __stdcall MmGetTotalCommittedPages(UINT64 PartitionId){
  return *(_QWORD *)(*(_QWORD *)(*(&stru_140C4DB30 + 267) + 8i64 * (unsigned __int16)PartitionId) + 7464i64);
}

Referenced by:

ExpQuerySystemInformation
ExpQuerySystemPerformanceInformation