ExpQueryNumaAvailableMemory

INT64 __fastcall ExpQueryNumaAvailableMemory(
        VOID *SystemInformation,
        UINT64 SystemInformationLength,
        UINT64 *ReturnedLength){
  unsigned int v4; 
  _DWORD *v5; 
  UINT16 ProcessPartitionId; 
  INT64 result; 
  unsigned int v8; 
  unsigned int v9; 
  __int64 i; 
  __int64 v11; 
  __int64 j; 
  UINT64 a4; 
  PVOID P; 
  __int64 v15; 
  UINT64 v16; 
  P = 0i64;
  a4 = 0i64;
  ProcessPartitionId = MmGetProcessPartitionId(*((_QWORD *)KeGetCurrentThread() + 23));
  if( v4 >= 4 )
  {
    v8 = (unsigned __int16)KeNumberNodes;
    v9 = (unsigned __int16)KeNumberNodes;
    *(_DWORD *)SystemInformation = (unsigned __int16)KeNumberNodes - 1;
    if( (v4 - 8) >> 3 <= v8 )
      v9 = (v4 - 8) >> 3;
    if( v4 >= 8 && v9 )
    {
      *v5 = 8 * v9 + 8;
      if( (unsigned __int16)v8 <= 1u )
      {
        *((_QWORD *)SystemInformation + 1) = MmGetAvailablePages(ProcessPartitionId) << 12;
      }
      else
      {
        for( i = 0i64; (unsigned int)i < v9; i = (unsigned int)(i + 1) )
        {
          result = MmGetChannelInformation(ProcessPartitionId, (unsigned int)i, (UINT8 **)&P, &a4);
          if( (int)result < 0 )
            return result;
          v11 = 0i64;
          v15 = 0i64;
          v16 = a4 / 0x28;
          for( j = 0i64; (unsigned int)j < a4 / 0x28; j = (unsigned int)(j + 1) )
          {
            v11 += *((_QWORD *)P + 5 * j + 2) + *((_QWORD *)P + 5 * j + 3);
            v15 = v11;
          }
          ExFreePoolWithTag(P, 0);
          *((_QWORD *)SystemInformation + i + 1) = v11 << 12;
        }
      }
      return 0i64;
    }
    else
    {
      *v5 = 4;
      return 0i64;
    }
  }
  else
  {
    if( v5 )
      *v5 = 4;
    return 3221225476i64;
  }
}

Referenced by: