From a469948b20ed9898f61e9906fd9b135ad853bb94 Mon Sep 17 00:00:00 2001 From: Alison Chaiken <achaiken@aurora.tech> Date: Tue, 11 Jan 2022 15:32:53 -0800 Subject: [PATCH] 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> --- Documentation/admin-guide/kernel-parameters.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index f5a27f067db9e..8e2e65122b993 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -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