From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>

Update the documentation about rcu_normal_wake_from_gp parameter.

Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>
---
 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
-- 
2.40.1

Le Wed, Jul 09, 2025 at 04:11:17PM +0530, neeraj.upadhyay@kernel.org a écrit :
> From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
> 
> Update the documentation about rcu_normal_wake_from_gp parameter.
> 
> Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
> Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>

Reviewed-by: Frederic Weisbecker <frederic@kernel.org>

-- 
Frederic Weisbecker
SUSE Labs