Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc

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>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index f1f2c0874da9ddfc95058c464fdf5dabaf0de713..f7e4bee2b823fb53c2df6c65ad98fddc808d0478 100644 (file)
--- 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