Vojtech tells me this timer can poll at a much lower rate than it currently does without detriment. This is usually the floor for slowest timers in the kernel making it the lowest frequency dynticks can effectively run at. Drop the i8042 Poll frequency to 5HZ Signed-off-by: Con Kolivas drivers/input/serio/i8042.h | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6.16-rc5-dt/drivers/input/serio/i8042.h =================================================================== --- linux-2.6.16-rc5-dt.orig/drivers/input/serio/i8042.h 2006-01-03 17:36:19.000000000 +1100 +++ linux-2.6.16-rc5-dt/drivers/input/serio/i8042.h 2006-02-27 20:32:58.000000000 +1100 @@ -44,7 +44,7 @@ * polling. */ -#define I8042_POLL_PERIOD HZ/20 +#define I8042_POLL_PERIOD HZ/5 /* * Status register bits.