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rcu: Eliminate unused rcu_init_one() argument

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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: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2015-10-20 12:38:49 -07:00
parent 46a5d164db
commit a87f203e27
2 changed files with 4 additions and 5 deletions
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7
kernel/rcu/tree.c
View File

@ -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();

2
kernel/rcu/tree_plugin.h
View File

@ -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);
}
/*