2287 	return &cpu_rq(i)->rd->dl_bw;  in dl_bw_of()
2292 	struct root_domain *rd = cpu_rq(i)->rd;  in dl_bw_cpus()  local
2297 	for_each_cpu_and(i, rd->span, cpu_active_mask)  in dl_bw_cpus()
3934 			cpumask_t *span = rq->rd->span;  in __sched_setscheduler()
3942 			    rq->rd->dl_bw.bw == 0) {  in __sched_setscheduler()
4457 		if (!cpumask_subset(task_rq(p)->rd->span, new_mask)) {  in sched_setaffinity()
5087 	if (dl_task(p) && !cpumask_intersects(task_rq(p)->rd->span,  in task_can_attach()
5489 		cpumask_set_cpu(rq->cpu, rq->rd->online);  in set_rq_online()
5509 		cpumask_clear_cpu(rq->cpu, rq->rd->online);  in set_rq_offline()
5535 		if (rq->rd) {  in migration_call()
5536 			BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span));  in migration_call()
5548 		if (rq->rd) {  in migration_call()
5549 			BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span));  in migration_call()
5824 	struct root_domain *rd = container_of(rcu, struct root_domain, rcu);  in free_rootdomain()  local
5826 	cpupri_cleanup(&rd->cpupri);  in free_rootdomain()
5827 	cpudl_cleanup(&rd->cpudl);  in free_rootdomain()
5828 	free_cpumask_var(rd->dlo_mask);  in free_rootdomain()
5829 	free_cpumask_var(rd->rto_mask);  in free_rootdomain()
5830 	free_cpumask_var(rd->online);  in free_rootdomain()
5831 	free_cpumask_var(rd->span);  in free_rootdomain()
5832 	kfree(rd);  in free_rootdomain()
5835 static void rq_attach_root(struct rq *rq, struct root_domain *rd)  in rq_attach_root()  argument
5842 	if (rq->rd) {  in rq_attach_root()
5843 		old_rd = rq->rd;  in rq_attach_root()
5859 	atomic_inc(&rd->refcount);  in rq_attach_root()
5860 	rq->rd = rd;  in rq_attach_root()
5862 	cpumask_set_cpu(rq->cpu, rd->span);  in rq_attach_root()
5872 static int init_rootdomain(struct root_domain *rd)  in init_rootdomain()  argument
5874 	memset(rd, 0, sizeof(*rd));  in init_rootdomain()
5876 	if (!zalloc_cpumask_var(&rd->span, GFP_KERNEL))  in init_rootdomain()
5878 	if (!zalloc_cpumask_var(&rd->online, GFP_KERNEL))  in init_rootdomain()
5880 	if (!zalloc_cpumask_var(&rd->dlo_mask, GFP_KERNEL))  in init_rootdomain()
5882 	if (!zalloc_cpumask_var(&rd->rto_mask, GFP_KERNEL))  in init_rootdomain()
5885 	init_dl_bw(&rd->dl_bw);  in init_rootdomain()
5886 	if (cpudl_init(&rd->cpudl) != 0)  in init_rootdomain()
5889 	if (cpupri_init(&rd->cpupri) != 0)  in init_rootdomain()
5894 	free_cpumask_var(rd->rto_mask);  in init_rootdomain()
5896 	free_cpumask_var(rd->dlo_mask);  in init_rootdomain()
5898 	free_cpumask_var(rd->online);  in init_rootdomain()
5900 	free_cpumask_var(rd->span);  in init_rootdomain()
5920 	struct root_domain *rd;  in alloc_rootdomain()  local
5922 	rd = kmalloc(sizeof(*rd), GFP_KERNEL);  in alloc_rootdomain()
5923 	if (!rd)  in alloc_rootdomain()
5926 	if (init_rootdomain(rd) != 0) {  in alloc_rootdomain()
5927 		kfree(rd);  in alloc_rootdomain()
5931 	return rd;  in alloc_rootdomain()
6028 cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu)  in cpu_attach_domain()  argument
6065 	rq_attach_root(rq, rd);  in cpu_attach_domain()
6085 	struct root_domain	*rd;  member
6355 		if (!atomic_read(&d->rd->refcount))  in __free_domain_allocs()
6356 			free_rootdomain(&d->rd->rcu); /* fall through */  in __free_domain_allocs()
6376 	d->rd = alloc_rootdomain();  in __visit_domain_allocation_hell()
6377 	if (!d->rd)  in __visit_domain_allocation_hell()
7027 		cpu_attach_domain(sd, d.rd, i);  in build_sched_domains()
7473 		rq->rd = NULL;  in sched_init()