Merge remote-tracking branch 'rcu/rcu/next'

diff --cc Documentation/kernel-parameters.txt
Simple merge

diff --cc MAINTAINERS
Simple merge

diff --cc include/linux/tick.h
Simple merge

diff --cc init/Kconfig
Simple merge

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

diff --cc kernel/time/tick-sched.c
Simple merge