From: Adam Lackorzynski <adam@os.inf.tu-dresden.de>

This patch fixes a typo (intruupt), a possible confusion (ms should be
microseconds here, not milli), and adds descriptions for the missing
functions.
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>