timers: Document meaning of deferrable timer
authorJ. Bruce Fields <bfields@citi.umich.edu>
Tue, 20 Jul 2010 22:23:15 +0000 (15:23 -0700)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 23 Jul 2010 13:08:12 +0000 (15:08 +0200)
commit866e26115cba6b59cec669b6307599e3e4440491
treed6a4920f298608e23c8fc56f8902ae5773be8fc4
parentb37fa16e78d6f9790462b3181602a26b5af36260
timers: Document meaning of deferrable timer

Steal some text from 6e453a67510 "Add support for deferrable timers".  A
reader shouldn't have to dig through the git logs for the basic
description of a deferrable timer.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: johnstul@us.ibm.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/timer.c