MiHyperSpaceSize

UINT64 __stdcall MiHyperSpaceSize(){
  UINT64 result; 
  unsigned __int64 v1; 
  unsigned int v2; 
  UINT64 v3; 
  unsigned __int64 v4; 
  result = qword_140C4E0B0;
  if( !qword_140C4E0B0 )
  {
    result = 0x10000000i64;
    v1 = 0x4000000i64;
    v2 = 0;
    do
    {
      v3 = (result + 4095) & 0xFFFFFFFFFFFFF000ui64;
      qword_140C4E0B8[1 - v2++] = v3;
      v4 = (v1 >> 6) + ((v1 & 0x3F) != 0);
      v1 >>= 9;
      result = v3 + 8 * v4;
    }
    while( v2 < 2 );
    qword_140C4E0B0 = v3 + 8 * v4;
  }
  return result;
}

Referenced by:

MiAddSubRegionEntropy
MiAssignTopLevelRanges
MiDeleteVadBitmap
MiQueryLeafPte
MiRealVaToFlushType
MiSystemFault