From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Thu, 2 May 2013 13:34:33 +0000 (+0200)
Subject: sched: Use swap() macro in scale_stime()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=84f9f3a15611536537d59060818a2354d5039ff3;p=linux-beck.git

sched: Use swap() macro in scale_stime()

Simple cleanup.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1367501673-6563-1-git-send-email-sgruszka@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index cc2dc3eea8a3..94691bcd7364 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)