diff --git a/[refs] b/[refs]
index a3d43efa6fff..b68b44c3a335 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5d7d18f5bc507b60d3d8967e2739d5e6ffdd630f
+refs/heads/master: 20375bf82567b5fecd331048c6cc1fc292b67710
diff --git a/trunk/Documentation/sparse.txt b/trunk/Documentation/sparse.txt
index 42f43fa59f24..34c76a55bc04 100644
--- a/trunk/Documentation/sparse.txt
+++ b/trunk/Documentation/sparse.txt
@@ -42,6 +42,14 @@ sure that bitwise types don't get mixed up (little-endian vs big-endian
 vs cpu-endian vs whatever), and there the constant "0" really _is_
 special.
 
+__bitwise__ - to be used for relatively compact stuff (gfp_t, etc.) that
+is mostly warning-free and is supposed to stay that way.  Warnings will
+be generated without __CHECK_ENDIAN__.
+
+__bitwise - noisy stuff; in particular, __le*/__be* are that.  We really
+don't want to drown in noise unless we'd explicitly asked for it.
+
+
 Getting sparse
 ~~~~~~~~~~~~~~