rcu_segcblist_advance
void rcu_segcblist_advance(struct rcu_segcblist *rsclp, unsigned long seq);
rcu_segcblist_advance(&sdp->srcu_cblist,
rcu_segcblist_advance(&sdp->srcu_cblist,
rcu_segcblist_advance(&rtpcp->cblist, rcu_seq_current(&rtp->tasks_gp_seq));
rcu_segcblist_advance(&rtpcp->cblist, rcu_seq_current(&rtp->tasks_gp_seq));
rcu_segcblist_advance(&rdp->cblist, rnp->gp_seq);