rcu: Unify boost and kthread priorities

[mirror_ubuntu-eoan-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7dbe5ec9d9cd08afac13797e2adac291fb703eec..6608520e9fa20ac05a917f9fceebdb27ed9877b8 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2922,6 +2922,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        quiescent states.  Units are jiffies, minimum
                        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).
+
        rcutree.rcu_nocb_leader_stride= [KNL]
                        Set the number of NOCB kthread groups, which
                        defaults to the square root of the number of