rq_attach_root   6677 kernel/sched/core.c 		rq_attach_root(rq, &def_root_domain);
rq_attach_root    795 kernel/sched/sched.h extern void rq_attach_root(struct rq *rq, struct root_domain *rd);
rq_attach_root    698 kernel/sched/topology.c 	rq_attach_root(rq, rd);