title: What are pinned objects?
body: <p>I am trying to find a memory leak using ants memory profiler, and I've encountered in a new term:</p>
  
  <p>Pinned objects.</p>
  
  <p>Can some one give me a good &amp; simple explanation about what this objects are, How can I pinn/Unpinn objects, and detect who pinned objects?</p>
  
  <p>Thanks</p>