diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
index 8db4fedaaa1e..b53a9e8f5904 100644
--- a/kernel/rcu/rcuscale.c
+++ b/kernel/rcu/rcuscale.c
@@ -42,6 +42,7 @@
 
 #include "rcu.h"
 
+MODULE_DESCRIPTION("Read-Copy Update module-based scalability-test facility");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com>");
 
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index cafe047d046e..08bf7c669dd3 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -51,6 +51,7 @@
 
 #include "rcu.h"
 
+MODULE_DESCRIPTION("Read-Copy Update module-based torture test facility");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com> and Josh Triplett <josh@joshtriplett.org>");
 
diff --git a/kernel/rcu/refscale.c b/kernel/rcu/refscale.c
index 2c2648a3ad30..f4ea5b1ec068 100644
--- a/kernel/rcu/refscale.c
+++ b/kernel/rcu/refscale.c
@@ -63,6 +63,7 @@ do {											\
 
 #define SCALEOUT_ERRSTRING(s, x...) pr_alert("%s" SCALE_FLAG "!!! " s "\n", scale_type, ## x)
 
+MODULE_DESCRIPTION("Scalability test for object reference mechanisms");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Joel Fernandes (Google) <joel@joelfernandes.org>");