linux-kernel - Re: [PATCH RFC 1/3] rcu: tree: Remove unused externs

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Date:   Sat, 22 Sep 2018 17:35:52 -0700
From:   "Paul E. McKenney" <paulmck@...ux.ibm.com>
To:     "Joel Fernandes (Google)" <joel@...lfernandes.org>
Cc:     linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Josh Triplett <josh@...htriplett.org>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        linux-doc@...r.kernel.org,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH RFC 1/3] rcu: tree: Remove unused externs

On Sat, Sep 22, 2018 at 07:41:25PM -0400, Joel Fernandes (Google) wrote:
> These aren't used anymore. Remove them.
> 
> Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>

Good catch, queued and pushed with subject/commit-log edits,
thank you!

							Thanx, Paul

> ---
>  kernel/rcu/tree.h | 11 -----------
>  1 file changed, 11 deletions(-)
> 
> diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
> index 703e19ff532d..57a937ac51c2 100644
> --- a/kernel/rcu/tree.h
> +++ b/kernel/rcu/tree.h
> @@ -398,17 +398,6 @@ static const char *tp_rcu_varname __used __tracepoint_string = rcu_name;
>  #define RCU_NAME rcu_name
>  #endif /* #else #ifdef CONFIG_TRACING */
>  
> -/*
> - * RCU implementation internal declarations:
> - */
> -extern struct rcu_state rcu_sched_state;
> -
> -extern struct rcu_state rcu_bh_state;
> -
> -#ifdef CONFIG_PREEMPT_RCU
> -extern struct rcu_state rcu_preempt_state;
> -#endif /* #ifdef CONFIG_PREEMPT_RCU */
> -
>  int rcu_dynticks_snap(struct rcu_data *rdp);
>  
>  #ifdef CONFIG_RCU_BOOST
> -- 
> 2.19.0.444.g18242da7ef-goog
>