title: How to clear GPU memory occupied by zombie process if it's parent is init?
body: <p><a href="https://i.stack.imgur.com/7aVho.png" rel="nofollow noreferrer">nvidia-smi screenshot</a></p>
  
  <p>The process with PID 14420 is a zombie process and its parent id is 1(init). I want to clear 4436MiB memory occupied by this zombie process without rebooting.</p>
  
  <p>How should I proceed?</p>