[tip:sched/core] sched: Use swap() macro in scale_stime()

[tip-bot for Stanislaw Gruszka <tipbot@zytor.com>]

Commit-ID:  84f9f3a15611536537d59060818a2354d5039ff3
Gitweb:     http://git.kernel.org/tip/84f9f3a15611536537d59060818a2354d5039ff3
Author:     Stanislaw Gruszka <sgruszka@redhat.com>
AuthorDate: Thu, 2 May 2013 15:34:33 +0200
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 28 May 2013 11:58:10 +0200

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>
---
 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)