linux-kernel - [RFC 10/60] sched: Use parent

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Message-Id: <20180907214047.26914-11-jschoenh@amazon.de>
Date:   Fri,  7 Sep 2018 23:39:57 +0200
From:   Jan H. Schönherr <jschoenh@...zon.de>
To:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Jan H. Schönherr <jschoenh@...zon.de>,
        linux-kernel@...r.kernel.org
Subject: [RFC 10/60] sched: Use parent_entity() in more places

Replace open-coded cases of parent_entity() with actual parent_entity()
invocations.

This will make later checks within parent_entity() more useful.

Signed-off-by: Jan H. Schönherr <jschoenh@...zon.de>
---
 kernel/sched/fair.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index bccd7a66858e..5d6225aedbfe 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -263,7 +263,7 @@ static inline struct task_struct *task_of(struct sched_entity *se)
 
 /* Walk up scheduling entities hierarchy */
 #define for_each_sched_entity(se) \
-		for (; se; se = se->parent)
+		for (; se; se = parent_entity(se))
 
 static inline struct cfs_rq *task_cfs_rq(struct task_struct *p)
 {
@@ -9653,7 +9653,7 @@ static void propagate_entity_cfs_rq(struct sched_entity *se)
 	struct cfs_rq *cfs_rq;
 
 	/* Start to propagate at parent */
-	se = se->parent;
+	se = parent_entity(se);
 
 	for_each_sched_entity(se) {
 		cfs_rq = cfs_rq_of(se);
-- 
2.9.3.1.gcba166c.dirty