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Commit a87f203e authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Eliminate unused rcu_init_one() argument 



Now that the rcu_state structure's ->rda field is compile-time initialized,
there is no need to pass the per-CPU rcu_data structure into rcu_init_one().
This commit therefore eliminates this now-unused parameter.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 46a5d164

kernel/rcu/tree.c

+3 −4
Original line number Diff line number Diff line
@@ -4351,8 +4351,7 @@ static void __init rcu_init_levelspread(int *levelspread, const int *levelcnt) 
/*

 * Helper function for rcu_init() that initializes one rcu_state structure.

 */

static void __init rcu_init_one(struct rcu_state *rsp,

		struct rcu_data __percpu *rda)

static void __init rcu_init_one(struct rcu_state *rsp)

{

	static const char * const buf[] = RCU_NODE_NAME_INIT;

	static const char * const fqs[] = RCU_FQS_NAME_INIT;
@@ -4545,8 +4544,8 @@ void __init rcu_init(void) 


	rcu_bootup_announce();

	rcu_init_geometry();

	rcu_init_one(&rcu_bh_state, &rcu_bh_data);

	rcu_init_one(&rcu_sched_state, &rcu_sched_data);

	rcu_init_one(&rcu_bh_state);

	rcu_init_one(&rcu_sched_state);

	if (dump_tree)

		rcu_dump_rcu_node_tree(&rcu_sched_state);

	__rcu_init_preempt();

kernel/rcu/tree_plugin.h

+1 −1
Original line number Diff line number Diff line
@@ -777,7 +777,7 @@ EXPORT_SYMBOL_GPL(rcu_barrier); 
 */

static void __init __rcu_init_preempt(void)

{

	rcu_init_one(rcu_state_p, rcu_data_p);

	rcu_init_one(rcu_state_p);

}



/*