Lai Jiangshan's patch reminded me that I promised Nick to remove
that extra call overhead in schedule().
Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090313112300.927414207@chello.nl>
Signed-off-by: NIngo Molnar <mingo@elte.hu>