diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c
index 415d81e6ce70..de95ec07e477 100644
--- a/kernel/locking/locktorture.c
+++ b/kernel/locking/locktorture.c
@@ -30,6 +30,7 @@
 #include <linux/torture.h>
 #include <linux/reboot.h>
 
+MODULE_DESCRIPTION("torture test facility for locking");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com>");
 
diff --git a/kernel/scftorture.c b/kernel/scftorture.c
index 59032aaccd18..44e83a646264 100644
--- a/kernel/scftorture.c
+++ b/kernel/scftorture.c
@@ -43,6 +43,7 @@
 
 #define SCFTORTOUT_ERRSTRING(s, x...) pr_alert(SCFTORT_FLAG "!!! " s "\n", ## x)
 
+MODULE_DESCRIPTION("Torture tests on the smp_call_function() family of primitives");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Paul E. McKenney <paulmck@kernel.org>");
 
@@ -67,7 +68,7 @@ torture_param(int, weight_many_wait, -1, "Testing weight for multi-CPU operation
 torture_param(int, weight_all, -1, "Testing weight for all-CPU no-wait operations.");
 torture_param(int, weight_all_wait, -1, "Testing weight for all-CPU operations.");
 
-char *torture_type = "";
+static char *torture_type = "";
 
 #ifdef MODULE
 # define SCFTORT_SHUTDOWN 0
diff --git a/kernel/torture.c b/kernel/torture.c
index c72ab2d251f4..dede150aef01 100644
--- a/kernel/torture.c
+++ b/kernel/torture.c
@@ -40,6 +40,7 @@
 #include <linux/sched/rt.h>
 #include "rcu/rcu.h"
 
+MODULE_DESCRIPTION("Common functions for in-kernel torture tests");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com>");