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rcu: Update documentation regarding kthread_prio cmdline parameter 

Inform readers that the priority of RCU no-callback threads will also
be boosted.

Signed-off-by: Alison Chaiken <achaiken@aurora.tech>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Alison Chaiken 2022-01-11 15:32:53 -08:00 committed by Paul E. McKenney
parent c8b16a6526
commit a469948b20
1 changed files with 2 additions and 0 deletions
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2
Documentation/admin-guide/kernel-parameters.txt
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@ -4504,6 +4504,8 @@
(the least-favored priority). Otherwise, when
RCU_BOOST is not set, valid values are 0-99 and
the default is zero (non-realtime operation).
When RCU_NOCB_CPU is set, also adjust the
priority of NOCB callback kthreads.
rcutree.rcu_nocb_gp_stride= [KNL]
Set the number of NOCB callback kthreads in