linux-kernel - Re: [PATCH] rcu-tasks: make rcu_tasks_lazy

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Date:   Thu, 3 Aug 2023 12:11:41 -0400
From:   Joel Fernandes <joel@...lfernandes.org>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     paulmck@...nel.org, frederic@...nel.org, quic_neeraju@...cinc.com,
        josh@...htriplett.org, boqun.feng@...il.com, rostedt@...dmis.org,
        mathieu.desnoyers@...icios.com, jiangshanlai@...il.com,
        qiang.zhang1211@...il.com, linux-kernel@...r.kernel.org,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH] rcu-tasks: make rcu_tasks_lazy_ms static

On Thu, Aug 3, 2023 at 4:07 AM Jiapeng Chong
<jiapeng.chong@...ux.alibaba.com> wrote:
>
> The rcu_tasks_lazy_ms are not used outside the file tasks.h, so the
> modification is defined as static.
>
> kernel/rcu/tasks.h:1085:5: warning: symbol 'rcu_tasks_lazy_ms' was not declared. Should it be static?
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=6086
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

Reviewed-by: Joel Fernandes (Google) <joel@...lfernandes.org>

 - Joel


> ---
>  kernel/rcu/tasks.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
> index 83049a893de5..ee1379671798 100644
> --- a/kernel/rcu/tasks.h
> +++ b/kernel/rcu/tasks.h
> @@ -1084,7 +1084,7 @@ void rcu_barrier_tasks(void)
>  }
>  EXPORT_SYMBOL_GPL(rcu_barrier_tasks);
>
> -int rcu_tasks_lazy_ms = -1;
> +static int rcu_tasks_lazy_ms = -1;
>  module_param(rcu_tasks_lazy_ms, int, 0444);
>
>  static int __init rcu_spawn_tasks_kthread(void)
> --
> 2.20.1.7.g153144c
>