Messages in this thread Patch in this message | | | From | Mel Gorman <> | Subject | [PATCH 2/4] cpuidle: menu: Use ktime_to_us instead of reinventing the wheel | Date | Wed, 6 Aug 2014 14:19:19 +0100 |
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The ktime_to_us implementation is slightly better than the one implemented in menu.c. Use it
Signed-off-by: Mel Gorman <mgorman@suse.de> --- drivers/cpuidle/governors/menu.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index 801b2ee..373278a 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -297,7 +297,6 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY); int i; unsigned int interactivity_req; - struct timespec t; if (data->needs_update) { menu_update(drv, dev); @@ -311,9 +310,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) return 0; /* determine the expected residency time, round up */ - t = ktime_to_timespec(tick_nohz_get_sleep_length()); - data->next_timer_us = - t.tv_sec * USEC_PER_SEC + t.tv_nsec / NSEC_PER_USEC; + data->next_timer_us = ktime_to_us(tick_nohz_get_sleep_length()); data->bucket = which_bucket(data->next_timer_us); -- 1.8.4.5
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