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rcu: Inline increment_cpu_stall_ticks() into its sole caller 

Consolidation of the RCU flavors into one makes increment_cpu_stall_ticks()
a trivial one-line function with only one caller.  This commit therefore
inlines it.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-07-05 17:59:36 -07:00
parent 8ff0b90780
commit 4e95020cdd
3 changed files with 1 additions and 8 deletions
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2
kernel/rcu/tree.c
View File

@ -2555,7 +2555,7 @@ static void rcu_do_batch(struct rcu_data *rdp)
void rcu_check_callbacks(int user)
{
trace_rcu_utilization(TPS("Start scheduler-tick"));
increment_cpu_stall_ticks();
raw_cpu_inc(rcu_data.ticks_this_gp);
rcu_flavor_check_callbacks(user);
if (rcu_pending())
invoke_rcu_core();

1
kernel/rcu/tree.h
View File

@ -466,7 +466,6 @@ static void print_cpu_stall_info_begin(void);
static void print_cpu_stall_info(int cpu);
static void print_cpu_stall_info_end(void);
static void zero_cpu_stall_ticks(struct rcu_data *rdp);
static void increment_cpu_stall_ticks(void);
static bool rcu_nocb_cpu_needs_barrier(int cpu);
static struct swait_queue_head *rcu_nocb_gp_get(struct rcu_node *rnp);
static void rcu_nocb_gp_cleanup(struct swait_queue_head *sq);

6
kernel/rcu/tree_plugin.h
View File

@ -1815,12 +1815,6 @@ static void zero_cpu_stall_ticks(struct rcu_data *rdp)
rdp->softirq_snap = kstat_softirqs_cpu(RCU_SOFTIRQ, smp_processor_id());
}
/* Increment ->ticks_this_gp for all flavors of RCU. */
static void increment_cpu_stall_ticks(void)
{
raw_cpu_inc(rcu_data.ticks_this_gp);
}
#ifdef CONFIG_RCU_NOCB_CPU
/*