title: how to remove migration
body: <p>I recently got a problem on ubuntu 12.04.1
  i've got a process named migration (PID 6)</p>
  
  <pre><code>`$ ps -edf | grep migration
  root         6     2 57 Jun25 ?        1-04:08:02 [migration/0]
  root         8     2 36 Jun25 ?        17:48:58 [migration/1]
  root        13     2 47 Jun25 ?        23:27:49 [migration/2]
  root        17     2 51 Jun25 ?        1-01:23:39 [migration/3]`
  
  `USER     PID %CPU
  root       6 56.7 migration/0
  root      17 51.2 migration/3
  root      13 47.2 migration/2
  root       8 35.9 migration/1`
  </code></pre>