diff --git a/[refs] b/[refs]
index fc710ea22d9d..4dba7111f0e8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 790816dd54e22827f63c8cbb30bd623d3d45e594
+refs/heads/master: a517b9f9fe8e57437b0b9b50e279220aaf651268
diff --git a/trunk/Documentation/SubmitChecklist b/trunk/Documentation/SubmitChecklist
index 2270efa10153..bfbb2718a279 100644
--- a/trunk/Documentation/SubmitChecklist
+++ b/trunk/Documentation/SubmitChecklist
@@ -72,3 +72,7 @@ kernel patches.
 
     If the new code is substantial, addition of subsystem-specific fault
     injection might be appropriate.
+
+22: Newly-added code has been compiled with `gcc -W'.  This will generate
+    lots of noise, but is good for finding bugs like "warning: comparison
+    between signed and unsigned".