From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752431AbaFEOfm (ORCPT ); Thu, 5 Jun 2014 10:35:42 -0400 Received: from terminus.zytor.com ([198.137.202.10]:48366 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752406AbaFEOfj (ORCPT ); Thu, 5 Jun 2014 10:35:39 -0400 Date: Thu, 5 Jun 2014 07:34:46 -0700 From: "=?UTF-8?B?dGlwLWJvdCBmb3IgTWFudWVsIFNjaMO2bGxpbmc=?=" Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, torvalds@linux-foundation.org, peterz@infradead.org, tglx@linutronix.de, manuel.schoelling@gmx.de Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, peterz@infradead.org, tglx@linutronix.de, manuel.schoelling@gmx.de In-Reply-To: <1400780723-24626-1-git-send-email-manuel.schoelling@gmx.de> References: <1400780723-24626-1-git-send-email-manuel.schoelling@gmx.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched/fair: Use time_after() in record_wakee() Git-Commit-ID: 2538d960d0c74cdc639f05723e04a67aed1efdf9 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 2538d960d0c74cdc639f05723e04a67aed1efdf9 Gitweb: http://git.kernel.org/tip/2538d960d0c74cdc639f05723e04a67aed1efdf9 Author: Manuel Schölling AuthorDate: Thu, 22 May 2014 19:45:23 +0200 Committer: Ingo Molnar CommitDate: Thu, 5 Jun 2014 11:52:02 +0200 sched/fair: Use time_after() in record_wakee() To be future-proof and for better readability the time comparisons are modified to use time_after() instead of plain, error-prone math. Signed-off-by: Manuel Schölling Signed-off-by: Peter Zijlstra Cc: Linus Torvalds Link: http://lkml.kernel.org/r/1400780723-24626-1-git-send-email-manuel.schoelling@gmx.de Signed-off-by: Ingo Molnar --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 7a0c000..c63dde9 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4066,7 +4066,7 @@ static void record_wakee(struct task_struct *p) * about the boundary, really active task won't care * about the loss. */ - if (jiffies > current->wakee_flip_decay_ts + HZ) { + if (time_after(jiffies, current->wakee_flip_decay_ts + HZ)) { current->wakee_flips >>= 1; current->wakee_flip_decay_ts = jiffies; }