sched: Consolidate open coded implementations of nice level frobbing into nice_to_rli...

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/a568a1e3cc8e78648f41b5035fa5e381d36274da.1399532322.git.yangds.fnst@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --cc drivers/staging/android/binder.c
Simple merge

diff --cc include/linux/sched/prio.h
Simple merge

diff --cc kernel/sched/core.c
Simple merge

diff --cc kernel/sys.c
Simple merge