From d827673d8a4e69937dd3731da2686a2d8206aef5 Mon Sep 17 00:00:00 2001 From: "Uladzislau Rezki (Sony)" Date: Wed, 2 Jul 2025 16:59:37 +0200 Subject: [PATCH] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc Update the documentation about rcu_normal_wake_from_gp parameter. Reviewed-by: Joel Fernandes Signed-off-by: Uladzislau Rezki (Sony) Reviewed-by: Frederic Weisbecker Signed-off-by: Neeraj Upadhyay (AMD) --- Documentation/admin-guide/kernel-parameters.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index f1f2c0874da9d..f7e4bee2b823f 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5485,7 +5485,8 @@ echo 1 > /sys/module/rcutree/parameters/rcu_normal_wake_from_gp or pass a boot parameter "rcutree.rcu_normal_wake_from_gp=1" - Default is 0. + Default is 1 if num_possible_cpus() <= 16 and it is not explicitly + disabled by the boot parameter passing 0. rcuscale.gp_async= [KNL] Measure performance of asynchronous -- 2.47.2