Merge branch 'sched-cleanups'

Or Gerlitz says:

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small set of sched cleanups

Just two cleanups -- but for the 2nd one I think we need ack from
Cong Wang to make sure this isn't actually a bug report..

changes from V1:
  - addressed comment from Sergei to use 12 hex digits etc
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Signed-off-by: David S. Miller <davem@davemloft.net>