linux-kernel - [PATCH -tip] sched: Use swap() macro on scale

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Message-Id: <1367501673-6563-1-git-send-email-sgruszka@redhat.com>
Date:	Thu,  2 May 2013 15:34:33 +0200
From:	Stanislaw Gruszka <sgruszka@...hat.com>
To:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>, hpa@...or.com,
	tglx@...utronix.de, linux-kernel@...r.kernel.org,
	Stanislaw Gruszka <sgruszka@...hat.com>
Subject: [PATCH -tip] sched: Use swap() macro on scale_stime()

Reported-by: Peter Zijlstra <peterz@...radead.org>
Signed-off-by: Stanislaw Gruszka <sgruszka@...hat.com>
---
 kernel/sched/cputime.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index cc2dc3e..94691bc 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -515,9 +515,8 @@ static cputime_t scale_stime(u64 stime, u64 rtime, u64 total)
 
 	for (;;) {
 		/* Make sure "rtime" is the bigger of stime/rtime */
-		if (stime > rtime) {
-			u64 tmp = rtime; rtime = stime; stime = tmp;
-		}
+		if (stime > rtime)
+			swap(rtime, stime);
 
 		/* Make sure 'total' fits in 32 bits */
 		if (total >> 32)
-- 
1.7.11.7

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