[tip: sched/core] sched: Fix a stale comment in pick_next_task()

From: tip-bot2 for Masahiro Yamada
Date: Wed May 19 2021 - 07:23:56 EST


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@xxxxxxxxxx>
AuthorDate: Wed, 19 May 2021 15:37:09 +09:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210519063709.323162-1-masahiroy@xxxxxxxxxx
---
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);