linux-kernel - [tip:sched/core] sched/fair: Clean up the __clear_buddies

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Date:	Tue, 11 Feb 2014 04:16:35 -0800
From:	tip-bot for Peter Zijlstra <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, tglx@...utronix.de
Subject: [tip:sched/core] sched/fair: Clean up the __clear_buddies_*()
  functions

Commit-ID:  f10447998a59b97747c16258a9c6e6a1512f27f3
Gitweb:     http://git.kernel.org/tip/f10447998a59b97747c16258a9c6e6a1512f27f3
Author:     Peter Zijlstra <peterz@...radead.org>
AuthorDate: Sat, 11 Feb 2012 06:05:00 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 10 Feb 2014 16:17:16 +0100

sched/fair: Clean up the __clear_buddies_*() functions

Slightly easier code flow, no functional changes.

Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/1328936700.2476.17.camel@laptop
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/fair.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c4bb0ac..8461721 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2739,10 +2739,10 @@ static void __clear_buddies_last(struct sched_entity *se)
 {
 	for_each_sched_entity(se) {
 		struct cfs_rq *cfs_rq = cfs_rq_of(se);
-		if (cfs_rq->last == se)
-			cfs_rq->last = NULL;
-		else
+		if (cfs_rq->last != se)
 			break;
+
+		cfs_rq->last = NULL;
 	}
 }
 
@@ -2750,10 +2750,10 @@ static void __clear_buddies_next(struct sched_entity *se)
 {
 	for_each_sched_entity(se) {
 		struct cfs_rq *cfs_rq = cfs_rq_of(se);
-		if (cfs_rq->next == se)
-			cfs_rq->next = NULL;
-		else
+		if (cfs_rq->next != se)
 			break;
+
+		cfs_rq->next = NULL;
 	}
 }
 
@@ -2761,10 +2761,10 @@ static void __clear_buddies_skip(struct sched_entity *se)
 {
 	for_each_sched_entity(se) {
 		struct cfs_rq *cfs_rq = cfs_rq_of(se);
-		if (cfs_rq->skip == se)
-			cfs_rq->skip = NULL;
-		else
+		if (cfs_rq->skip != se)
 			break;
+
+		cfs_rq->skip = NULL;
 	}
 }
 
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