MiFreePoolPagesLeft

INT64 __fastcall MiFreePoolPagesLeft(INT64 a1){
  __int64 v1; 
  __int64 v2; 
  if( (_DWORD)a1 == 5 )
  {
    v1 = qword_140C4C608;
    v2 = *(_QWORD *)MiState;
  }
  else
  {
    v1 = qword_140C4EC68;
    v2 = qword_140C4EC78;
  }
  return v2 - v1;
}

Referenced by:

ExpQuerySystemPerformanceInformation
MiInitializePagedPoolEvents
MmRaisePoolQuota