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[RFC,tip/core/rcu,1/4] rcu-tasks: Mark variables static

Message ID 20200910202052.5073-1-paulmck@kernel.org
State Not Applicable
Delegated to: David Miller
Headers show
Series Accelerate RCU Tasks Trace updates | expand

Commit Message

Paul E. McKenney Sept. 10, 2020, 8:20 p.m. UTC 
From: "Paul E. McKenney" <paulmck@kernel.org>

The n_heavy_reader_attempts, n_heavy_reader_updates, and
n_heavy_reader_ofl_updates variables are not used outside of their
translation unit, so this commit marks them static.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
 kernel/rcu/tasks.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index 05d3e13..978508e 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -745,9 +745,9 @@  static DEFINE_PER_CPU(bool, trc_ipi_to_cpu);
 
 // The number of detections of task quiescent state relying on
 // heavyweight readers executing explicit memory barriers.
-unsigned long n_heavy_reader_attempts;
-unsigned long n_heavy_reader_updates;
-unsigned long n_heavy_reader_ofl_updates;
+static unsigned long n_heavy_reader_attempts;
+static unsigned long n_heavy_reader_updates;
+static unsigned long n_heavy_reader_ofl_updates;
 
 void call_rcu_tasks_trace(struct rcu_head *rhp, rcu_callback_t func);
 DEFINE_RCU_TASKS(rcu_tasks_trace, rcu_tasks_wait_gp, call_rcu_tasks_trace,