am bfa2f8e9: init: Bump up the max cpu bandwidth shares ratio for background.

Merge commit 'bfa2f8e9b506a4b710ebcefa7c1e324609b8ca34'

* commit 'bfa2f8e9b506a4b710ebcefa7c1e324609b8ca34':
  init: Bump up the max cpu bandwidth shares ratio for background.