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Remove a stale comment referencing sched_rt_avg_update(), which was removed in commit bbb62c0b024a ("sched/core: Remove the rt_avg code"). The comment about compiler optimization of this non-existent function is no longer relevant. 2. The sched_class callback ->select_task() was renamed to ->select_task_rq() long ago. Update the comment to match. Signed-off-by: Zhan Xusheng --- kernel/sched/core.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 496dff740dca..5bc4e3897ade 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -785,10 +785,6 @@ struct static_key paravirt_steal_rq_enabled; =20 static void update_rq_clock_task(struct rq *rq, s64 delta) { -/* - * In theory, the compile should just see 0 here, and optimize out the call - * to sched_rt_avg_update. But I don't trust it... - */ s64 __maybe_unused steal =3D 0, irq_delta =3D 0; =20 #ifdef CONFIG_IRQ_TIME_ACCOUNTING @@ -3531,7 +3527,7 @@ int select_task_rq(struct task_struct *p, int cpu, in= t *wake_flags) * * Since this is common to all placement strategies, this lives here. * - * [ this allows ->select_task() to simply return task_cpu(p) and + * [ this allows ->select_task_rq() to simply return task_cpu(p) and * not worry about this generic constraint ] */ if (unlikely(!is_cpu_allowed(p, cpu))) --=20 2.43.0