1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/locking/locktorture.txt b/Documentation/locking/locktorture.txt
index 7a72621b924f..be715015e0f7 100644
--- a/Documentation/locking/locktorture.txt
+++ b/Documentation/locking/locktorture.txt
@@ -47,6 +47,8 @@ torture_type	  Type of lock to torture. By default, only spinlocks will
 
                      o "mutex_lock": mutex_lock() and mutex_unlock() pairs.
 
+                     o "rwsem_lock": read/write down() and up() semaphore pairs.
+
 torture_runnable  Start locktorture at boot time in the case where the
                   module is built into the kernel, otherwise wait for
                   torture_runnable to be set via sysfs before starting.