sched/topology: Mark set_sched_topology() __init

All callers of set_sched_topology() are within __init section. Mark
it __init too.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Link: https://lore.kernel.org/r/20230603073645.1173332-1-linmiaohe@huawei.com

include/linux/sched/topology.h

@@ -203,7 +203,7 @@ struct sched_domain_topology_level {
 #endif
 };
 
-extern void set_sched_topology(struct sched_domain_topology_level *tl);
+extern void __init set_sched_topology(struct sched_domain_topology_level *tl);
 
 #ifdef CONFIG_SCHED_DEBUG
 # define SD_INIT_NAME(type)		.name = #type

kernel/sched/topology.c

@@ -1681,7 +1681,7 @@ static struct sched_domain_topology_level *sched_domain_topology_saved;
 #define for_each_sd_topology(tl)			\
 	for (tl = sched_domain_topology; tl->mask; tl++)
 
-void set_sched_topology(struct sched_domain_topology_level *tl)
+void __init set_sched_topology(struct sched_domain_topology_level *tl)
 {
 	if (WARN_ON_ONCE(sched_smp_initialized))
 		return;