--- a/hotspot/src/share/vm/runtime/synchronizer.hpp	Mon Oct 13 22:11:39 2014 +0200
+++ b/hotspot/src/share/vm/runtime/synchronizer.hpp	Tue Oct 14 10:32:12 2014 -0700
@@ -134,6 +134,8 @@
 
  private:
   enum { _BLOCKSIZE = 128 };
+  // gBlockList is really PaddedEnd<ObjectMonitor> *, but we don't
+  // want to expose the PaddedEnd template more than necessary.
   static ObjectMonitor* gBlockList;
   static ObjectMonitor * volatile gFreeList;
   // global monitor in use list, for moribund threads,