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    SubjectRe: [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@joelfernandes.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
    >

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