linux-kernel - [tip: sched/core] sched: Fix a stale comment in pick_next

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Message-ID: <162142342925.29796.10155000709823402519.tip-bot2@tip-bot2>
Date:   Wed, 19 May 2021 11:23:49 -0000
From:   "tip-bot2 for Masahiro Yamada" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: sched/core] sched: Fix a stale comment in pick_next_task()

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     1699949d3314e5d1956fb082e4cd4798bf6149fc
Gitweb:        https://git.kernel.org/tip/1699949d3314e5d1956fb082e4cd4798bf6149fc
Author:        Masahiro Yamada <masahiroy@...nel.org>
AuthorDate:    Wed, 19 May 2021 15:37:09 +09:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Wed, 19 May 2021 13:03:21 +02:00

sched: Fix a stale comment in pick_next_task()

fair_sched_class->next no longer exists since commit:

  a87e749e8fa1 ("sched: Remove struct sched_class::next field").

Now the sched_class order is specified by the linker script.

Rewrite the comment in a more generic way.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20210519063709.323162-1-masahiroy@kernel.org
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 3ec420c..3d25272 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5318,7 +5318,7 @@ __pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
 		if (unlikely(p == RETRY_TASK))
 			goto restart;
 
-		/* Assumes fair_sched_class->next == idle_sched_class */
+		/* Assume the next prioritized class is idle_sched_class */
 		if (!p) {
 			put_prev_task(rq, prev);
 			p = pick_next_task_idle(rq);