179 static inline void notify_partition_change(struct cpuset *cs, int old_prs)  in notify_partition_change()  argument
181 	if (old_prs == cs->partition_root_state)  in notify_partition_change()
1185 static void update_partition_sd_lb(struct cpuset *cs, int old_prs)  in update_partition_sd_lb()  argument
1188 	bool rebuild_domains = (new_prs > 0) || (old_prs > 0);  in update_partition_sd_lb()
1252 static void partition_xcpus_newstate(int old_prs, int new_prs, struct cpumask *xcpus)  in partition_xcpus_newstate()  argument
1254 	WARN_ON_ONCE(old_prs == new_prs);  in partition_xcpus_newstate()
1302 static bool partition_xcpus_del(int old_prs, struct cpuset *parent,  in partition_xcpus_del()  argument
1307 	WARN_ON_ONCE(old_prs < 0);  in partition_xcpus_del()
1315 	isolcpus_updated = (old_prs != parent->partition_root_state);  in partition_xcpus_del()
1317 		partition_xcpus_newstate(old_prs, parent->partition_root_state,  in partition_xcpus_del()
1634 	int old_prs, new_prs;  in update_parent_effective_cpumask()  local
1648 	old_prs = new_prs = cs->partition_root_state;  in update_parent_effective_cpumask()
1652 		if (is_prs_invalid(old_prs))  in update_parent_effective_cpumask()
1661 		if (old_prs > 0) {  in update_parent_effective_cpumask()
1662 			new_prs = -old_prs;  in update_parent_effective_cpumask()
1711 		adding = !is_prs_invalid(old_prs) &&  in update_parent_effective_cpumask()
1741 		if (is_prs_invalid(old_prs)) {  in update_parent_effective_cpumask()
1828 				new_prs = -old_prs;  in update_parent_effective_cpumask()
1835 				new_prs = -old_prs;  in update_parent_effective_cpumask()
1842 	if (!adding && !deleting && (new_prs == old_prs))  in update_parent_effective_cpumask()
1851 	if ((old_prs != new_prs) && (cmd != partcmd_update))  {  in update_parent_effective_cpumask()
1866 	if (old_prs != new_prs) {  in update_parent_effective_cpumask()
1876 		isolcpus_updated += partition_xcpus_del(old_prs, parent,  in update_parent_effective_cpumask()
1889 	if ((old_prs != new_prs) && (cmd == partcmd_update))  in update_parent_effective_cpumask()
1903 		update_partition_sd_lb(cs, old_prs);  in update_parent_effective_cpumask()
1905 	notify_partition_change(cs, old_prs);  in update_parent_effective_cpumask()
1957 			int old_prs = child->partition_root_state;  in compute_partition_effective_cpumask()  local
1967 			notify_partition_change(child, old_prs);  in compute_partition_effective_cpumask()
1995 	int old_prs, new_prs;  in update_cpumasks_hier()  local
2022 		old_prs = new_prs = cp->partition_root_state;  in update_cpumasks_hier()
2073 		if ((cp != cs) && old_prs) {  in update_cpumasks_hier()
2122 		notify_partition_change(cp, old_prs);  in update_cpumasks_hier()
2223 	int old_prs = cs->partition_root_state;  in update_cpumask()  local
2265 	if (old_prs) {  in update_cpumask()
2270 		} else if (prstate_housekeeping_conflict(old_prs, trialcs->effective_xcpus)) {  in update_cpumask()
2346 	if ((old_prs > 0) && !is_partition_valid(cs))  in update_cpumask()
2355 		update_partition_sd_lb(cs, old_prs);  in update_cpumask()
2377 	int old_prs = cs->partition_root_state;  in update_exclusive_cpumask()  local
2408 	if (old_prs) {  in update_exclusive_cpumask()
2412 		} else if (prstate_housekeeping_conflict(old_prs, trialcs->effective_xcpus)) {  in update_exclusive_cpumask()
2443 	if ((old_prs > 0) && !is_partition_valid(cs))  in update_exclusive_cpumask()
2457 		update_partition_sd_lb(cs, old_prs);  in update_exclusive_cpumask()
2802 	int err = PERR_NONE, old_prs = cs->partition_root_state;  in update_prstate()  local
2807 	if (old_prs == new_prs)  in update_prstate()
2813 	if (new_prs && is_prs_invalid(old_prs))  in update_prstate()
2814 		old_prs = PRS_MEMBER;  in update_prstate()
2834 	if (!old_prs) {  in update_prstate()
2855 	} else if (old_prs && new_prs) {  in update_prstate()
2892 		partition_xcpus_newstate(old_prs, new_prs, cs->effective_xcpus);  in update_prstate()
2900 	update_partition_sd_lb(cs, old_prs);  in update_prstate()
2902 	notify_partition_change(cs, old_prs);  in update_prstate()