CONFIG_PREEMPT.
14: If the patch affects IO/Disk, etc: has been tested with and without
- CONFIG_LBD.
+ CONFIG_LBDAF.
15: All codepaths have been exercised with all lockdep features enabled.
23: Tested after it has been merged into the -mm patchset to make sure
that it still works with all of the other queued patches and various
changes in the VM, VFS, and other subsystems.
+
+24: All memory barriers {e.g., barrier(), rmb(), wmb()} need a comment in the
+ source code that explains the logic of what they are doing and why.