add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/kernel/sched/stop_task.c
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@@ -11,10 +11,15 @@
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 #ifdef CONFIG_SMP
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 static int
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-select_task_rq_stop(struct task_struct *p, int cpu, int sd_flag, int flags,
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-		    int sibling_count_hint)
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+select_task_rq_stop(struct task_struct *p, int cpu, int sd_flag, int flags)
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 {
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 	return task_cpu(p); /* stop tasks as never migrate */
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+}
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+
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+static int
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+balance_stop(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
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+{
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+	return sched_stop_runnable(rq);
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 }
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 #endif /* CONFIG_SMP */
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@@ -24,19 +29,18 @@
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 	/* we're never preempted */
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 }
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-static struct task_struct *
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-pick_next_task_stop(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
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+static void set_next_task_stop(struct rq *rq, struct task_struct *stop, bool first)
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 {
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-	struct task_struct *stop = rq->stop;
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+	stop->se.exec_start = rq_clock_task(rq);
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+}
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-	if (!stop || !task_on_rq_queued(stop))
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+static struct task_struct *pick_next_task_stop(struct rq *rq)
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+{
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+	if (!sched_stop_runnable(rq))
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 		return NULL;
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-	put_prev_task(rq, prev);
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-
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-	stop->se.exec_start = rq_clock_task(rq);
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-
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-	return stop;
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+	set_next_task_stop(rq, rq->stop, true);
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+	return rq->stop;
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 }
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 static void
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@@ -87,13 +91,6 @@
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 {
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 }
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-static void set_curr_task_stop(struct rq *rq)
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-{
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-	struct task_struct *stop = rq->stop;
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-
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-	stop->se.exec_start = rq_clock_task(rq);
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-}
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-
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 static void switched_to_stop(struct rq *rq, struct task_struct *p)
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 {
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 	BUG(); /* its impossible to change to this class */
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@@ -105,12 +102,6 @@
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 	BUG(); /* how!?, what priority? */
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 }
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-static unsigned int
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-get_rr_interval_stop(struct rq *rq, struct task_struct *task)
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-{
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-	return 0;
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-}
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-
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 static void update_curr_stop(struct rq *rq)
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 {
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 }
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@@ -118,8 +109,8 @@
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 /*
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  * Simple, special scheduling class for the per-CPU stop tasks:
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  */
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-const struct sched_class stop_sched_class = {
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-	.next			= &dl_sched_class,
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+const struct sched_class stop_sched_class
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+	__section("__stop_sched_class") = {
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 	.enqueue_task		= enqueue_task_stop,
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 	.dequeue_task		= dequeue_task_stop,
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@@ -129,16 +120,15 @@
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 	.pick_next_task		= pick_next_task_stop,
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 	.put_prev_task		= put_prev_task_stop,
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+	.set_next_task          = set_next_task_stop,
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 #ifdef CONFIG_SMP
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+	.balance		= balance_stop,
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 	.select_task_rq		= select_task_rq_stop,
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 	.set_cpus_allowed	= set_cpus_allowed_common,
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 #endif
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-	.set_curr_task          = set_curr_task_stop,
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 	.task_tick		= task_tick_stop,
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-
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-	.get_rr_interval	= get_rr_interval_stop,
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 	.prio_changed		= prio_changed_stop,
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 	.switched_to		= switched_to_stop,