linux-kernel - [PATCH] sched: Use time

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Message-Id: <1400780723-24626-1-git-send-email-manuel.schoelling@gmx.de>
Date:	Thu, 22 May 2014 19:45:23 +0200
From:	Manuel Schölling <manuel.schoelling@....de>
To:	mingo@...hat.com
Cc:	peterz@...radead.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Manuel Schölling <manuel.schoelling@....de>
Subject: [PATCH] sched: Use time_after()

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 <manuel.schoelling@....de>
---
 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 7570dd9..716360a 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4014,7 +4014,7 @@ 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 = 0;
 		current->wakee_flip_decay_ts = jiffies;
 	}
-- 
1.7.10.4

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