[PATCH tip/core/rcu 4/5] rcu: Remove unused variable from rcu_torture_writer()

[Paul E. McKenney]

From: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>

The oldbatch variable in rcu_torture_writer() is stored to, but never
loaded from.  This commit therefore removes it.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
 kernel/rcutorture.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index be50ebe..7d42d13 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -800,7 +800,6 @@ rcu_torture_writer(void *arg)
 {
 	bool exp;
 	int i;
-	long oldbatch = rcu_batches_completed();
 	struct rcu_torture *rp;
 	struct rcu_torture *rp1;
 	struct rcu_torture *old_rp;
@@ -854,7 +853,6 @@ rcu_torture_writer(void *arg)
 			}
 		}
 		rcutorture_record_progress(++rcu_torture_current_version);
-		oldbatch = cur_ops->completed();
 		rcu_stutter_wait("rcu_torture_writer");
 	} while (!kthread_should_stop() && fullstop == FULLSTOP_DONTSTOP);
 	VERBOSE_PRINTK_STRING("rcu_torture_writer task stopping");
-- 
1.8.1.5

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