clocksource_watchdog can use a deferrable timer - reduces wakeups from
idle per second.
Signed-off-by: Parag Warudkar <[email protected]>
--- linux-2.6/kernel/time/clocksource.c 2007-12-07 10:04:43.000000000 -0500
+++ linux-2.6-work/kernel/time/clocksource.c 2007-12-13 12:49:14.000000000 -0500
@@ -175,7 +175,7 @@
if (watchdog)
del_timer(&watchdog_timer);
watchdog = cs;
- init_timer(&watchdog_timer);
+ init_timer_deferrable(&watchdog_timer);
watchdog_timer.function = clocksource_watchdog;
/* Reset watchdog cycles */