[RFC PATCH rcu] rcutorture: err_segs_recorded can be static

[kbuild test robot]

Fixes: 07809ecaa895 ("rcutorture: Dump reader protection sequence if failures 
or close calls")
Signed-off-by: kbuild test robot <fengguang...@intel.com>
---
 rcutorture.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index ef85bde..a7a947e 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -209,9 +209,9 @@ struct rt_read_seg {
        unsigned long rt_delay_us;
        bool rt_preempted;
 };
-int err_segs_recorded;
-struct rt_read_seg err_segs[RCUTORTURE_RDR_MAX_SEGS];
-int rt_read_nsegs;
+static int err_segs_recorded;
+static struct rt_read_seg err_segs[RCUTORTURE_RDR_MAX_SEGS];
+static int rt_read_nsegs;
 
 static const char *rcu_torture_writer_state_getname(void)
 {