1538 static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,  in update_cpumask()  argument
1555 		cpumask_clear(trialcs->cpus_allowed);  in update_cpumask()
1557 		retval = cpulist_parse(buf, trialcs->cpus_allowed);  in update_cpumask()
1561 		if (!cpumask_subset(trialcs->cpus_allowed,  in update_cpumask()
1567 	if (cpumask_equal(cs->cpus_allowed, trialcs->cpus_allowed))  in update_cpumask()
1570 	retval = validate_change(cs, trialcs);  in update_cpumask()
1579 	tmp.addmask  = trialcs->subparts_cpus;  in update_cpumask()
1580 	tmp.delmask  = trialcs->effective_cpus;  in update_cpumask()
1581 	tmp.new_cpus = trialcs->cpus_allowed;  in update_cpumask()
1586 		if (cpumask_empty(trialcs->cpus_allowed))  in update_cpumask()
1589 					trialcs->cpus_allowed, &tmp) < 0)  in update_cpumask()
1594 	cpumask_copy(cs->cpus_allowed, trialcs->cpus_allowed);  in update_cpumask()
1831 static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,  in update_nodemask()  argument
1852 		nodes_clear(trialcs->mems_allowed);  in update_nodemask()
1854 		retval = nodelist_parse(buf, trialcs->mems_allowed);  in update_nodemask()
1858 		if (!nodes_subset(trialcs->mems_allowed,  in update_nodemask()
1865 	if (nodes_equal(cs->mems_allowed, trialcs->mems_allowed)) {  in update_nodemask()
1869 	retval = validate_change(cs, trialcs);  in update_nodemask()
1874 	cs->mems_allowed = trialcs->mems_allowed;  in update_nodemask()
1878 	update_nodemasks_hier(cs, &trialcs->mems_allowed);  in update_nodemask()
1942 	struct cpuset *trialcs;  in update_flag()  local
1947 	trialcs = alloc_trial_cpuset(cs);  in update_flag()
1948 	if (!trialcs)  in update_flag()
1952 		set_bit(bit, &trialcs->flags);  in update_flag()
1954 		clear_bit(bit, &trialcs->flags);  in update_flag()
1956 	err = validate_change(cs, trialcs);  in update_flag()
1961 				is_sched_load_balance(trialcs));  in update_flag()
1963 	spread_flag_changed = ((is_spread_slab(cs) != is_spread_slab(trialcs))  in update_flag()
1964 			|| (is_spread_page(cs) != is_spread_page(trialcs)));  in update_flag()
1967 	cs->flags = trialcs->flags;  in update_flag()
1970 	if (!cpumask_empty(trialcs->cpus_allowed) && balance_flag_changed)  in update_flag()
1976 	free_cpuset(trialcs);  in update_flag()
2401 	struct cpuset *trialcs;  in cpuset_write_resmask()  local
2434 	trialcs = alloc_trial_cpuset(cs);  in cpuset_write_resmask()
2435 	if (!trialcs) {  in cpuset_write_resmask()
2442 		retval = update_cpumask(cs, trialcs, buf);  in cpuset_write_resmask()
2445 		retval = update_nodemask(cs, trialcs, buf);  in cpuset_write_resmask()
2452 	free_cpuset(trialcs);  in cpuset_write_resmask()