func: bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
  
                                          hwaddr size, unsigned client)
  
  {
  
      assert(mr->terminates);
  
      return cpu_physical_memory_test_and_clear_dirty(mr->ram_addr + addr,
  
                                                      size, client);
  
  }
  