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McKenney" , Neeraj upadhyay Cc: Joel Fernandes , RCU , LKML , Frederic Weisbecker , Uladzislau Rezki , Joel Fernandes Subject: [PATCH v3 2/2] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc Date: Wed, 2 Jul 2025 16:59:37 +0200 Message-Id: <20250702145938.66459-2-urezki@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250702145938.66459-1-urezki@gmail.com> References: <20250702145938.66459-1-urezki@gmail.com> Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Update the documentation about rcu_normal_wake_from_gp parameter. Reviewed-by: Joel Fernandes Signed-off-by: Uladzislau Rezki (Sony) --- 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 f1f2c0874da9..f7e4bee2b823 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 -- 2.39.5