On 6/11/2025 1:56 PM, Uladzislau Rezki (Sony) wrote:
> Update the documentation about rcu_normal_wake_from_gp parameter.
>
> Signed-off-by: Uladzislau Rezki (Sony) <ure...@gmail.com>
Reviewed-by: Joel Fernandes <joelagn...@nvidia.com>
Thanks.
> ---
> 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