From: Jiang Biao Date: Tue, 23 Apr 2019 01:21:55 +0000 (+0800) Subject: rcu: Remove unused rdp local from synchronize_rcu_expedited() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f0b635627395223d3c60a3105372b4349e04772f;p=linux.git rcu: Remove unused rdp local from synchronize_rcu_expedited() Because rdp is initialized but never used in synchronize_rcu_expedited(), this commit removes it. Signed-off-by: Jiang Biao Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index e0c928d04be5f..8e539710721a6 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -793,7 +793,6 @@ static int rcu_print_task_exp_stall(struct rcu_node *rnp) */ void synchronize_rcu_expedited(void) { - struct rcu_data *rdp; struct rcu_exp_work rew; struct rcu_node *rnp; unsigned long s; @@ -830,7 +829,6 @@ void synchronize_rcu_expedited(void) } /* Wait for expedited grace period to complete. */ - rdp = per_cpu_ptr(&rcu_data, raw_smp_processor_id()); rnp = rcu_get_root(); wait_event(rnp->exp_wq[rcu_seq_ctr(s) & 0x3], sync_exp_work_done(s));