From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753802AbaHFNUr (ORCPT ); Wed, 6 Aug 2014 09:20:47 -0400 Received: from cantor2.suse.de ([195.135.220.15]:41133 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750878AbaHFNTZ (ORCPT ); Wed, 6 Aug 2014 09:19:25 -0400 From: Mel Gorman To: Rafael J Wysocki , Nicolas Pitre Cc: Mike Galbraith , LKML , 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 Message-Id: <1407331161-4642-3-git-send-email-mgorman@suse.de> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1407331161-4642-1-git-send-email-mgorman@suse.de> References: <1407331161-4642-1-git-send-email-mgorman@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The ktime_to_us implementation is slightly better than the one implemented in menu.c. Use it Signed-off-by: Mel Gorman --- 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