1 files changed, 8 insertions, 4 deletions

diff --git a/Documentation/RCU/checklist.txt b/Documentation/RCU/checklist.txt
index 9d10d1db16a5..877947130ebe 100644
--- a/Documentation/RCU/checklist.txt
+++ b/Documentation/RCU/checklist.txt
@@ -114,12 +114,16 @@ over a rather long period of time, but improvements are always welcome!
                         http://www.openvms.compaq.com/wizard/wiz_2637.html
 
                 The rcu_dereference() primitive is also an excellent
-                documentation aid, letting the person reading the code
-                know exactly which pointers are protected by RCU.
+                documentation aid, letting the person reading the
+                code know exactly which pointers are protected by RCU.
                 Please note that compilers can also reorder code, and
                 they are becoming increasingly aggressive about doing
-                just that.  The rcu_dereference() primitive therefore
-                also prevents destructive compiler optimizations.
+                just that.  The rcu_dereference() primitive therefore also
+                prevents destructive compiler optimizations.  However,
+                with a bit of devious creativity, it is possible to
+                mishandle the return value from rcu_dereference().
+                Please see rcu_dereference.txt in this directory for
+                more information.
 
                 The rcu_dereference() primitive is used by the
                 various "_rcu()" list-traversal primitives, such