[PATCH -tip] sched: Use swap() macro on scale_stime()

From: Stanislaw Gruszka
Date: Thu May 02 2013 - 09:33:43 EST


Reported-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
---
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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