Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched

Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched

* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
  sched: fix startup penalty calculation
  sched: simplify bonus calculation #2
  sched: simplify bonus calculation #1
  sched: tidy up and simplify the bonus balance
  sched: optimize task_tick_rt() a bit
  sched: simplify can_migrate_task()
  sched: remove HZ dependency from the granularity default
  sched: CONFIG_SCHED_GROUP_FAIR=y fixlet