+
+22: Newly-added code has been compiled with `gcc -W' (use "make
+ EXTRA_CFLAGS=-W"). This will generate lots of noise, but is good for
+ finding bugs like "warning: comparison between signed and unsigned".
+
+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.