if a kthread fails to call kthread_exit() but instead returns, bad things happen.  fix acct thread.  from art
if a kthread fails to call kthread_exit() but instead returns,
bad things happen.  fix acct thread.  from art

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars