MmGetNumberOfFreeSystemPtes

NTSTATUS __stdcall MmGetNumberOfFreeSystemPtes(){
  unsigned int NumberOfCachedPtes; 
  __int64 v1; 
  unsigned __int64 v2; 

  NumberOfCachedPtes = MiGetNumberOfCachedPtes((_MI_SYSTEM_PTE_TYPE *)((char *)&stru_140C4DB30 + 4432));
  v2 = *(&stru_140C4DB30 + 565) + NumberOfCachedPtes + v1;
  if( v2 >= 0x100000000i64 )
    LODWORD(v2) = -1;
  return v2;
}

Referenced by:

ExpQuerySystemPerformanceInformation
MiIssueNoPtesBugcheck