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Commit d2af1ad7 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

documentation: Update rcutree.kthread_prio for grace-period kthread use 



Now that the rcutree.kthread_prio kernel boot parameter also controls
the priority of the grace-period kthreads, update the documentation to
reflect this change.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent c517d838

Documentation/kernel-parameters.txt

+9 −5
Original line number Diff line number Diff line
@@ -2991,11 +2991,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 
			value is one, and maximum value is HZ.



	rcutree.kthread_prio= 	 [KNL,BOOT]

			Set the SCHED_FIFO priority of the RCU

			per-CPU kthreads (rcuc/N). This value is also

			used for the priority of the RCU boost threads

			(rcub/N). Valid values are 1-99 and the default

			is 1 (the least-favored priority).

			Set the SCHED_FIFO priority of the RCU per-CPU

			kthreads (rcuc/N). This value is also used for

			the priority of the RCU boost threads (rcub/N)

			and for the RCU grace-period kthreads (rcu_bh,

			rcu_preempt, and rcu_sched). If RCU_BOOST is

			set, valid values are 1-99 and the default is 1

			(the least-favored priority).  Otherwise, when

			RCU_BOOST is not set, valid values are 0-99 and

			the default is zero (non-realtime operation).



	rcutree.rcu_nocb_leader_stride= [KNL]

			Set the number of NOCB kthread groups, which