MmStoreChargeResidentAvailableForRead

_BOOL8 __fastcall MmStoreChargeResidentAvailableForRead(__int64 a1){
  return MiChargeResident((ULONG_PTR *)&Irp.Core.PartitionId, a1 + 48, 0i64) != MiChargeFailed;
}

Referenced by:

SmAcquireReleaseResAvailForRead
SmFirstTimeInit