1478 static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,  in update_cpumask()  argument
1495 		cpumask_clear(trialcs->cpus_allowed);  in update_cpumask()
1497 		retval = cpulist_parse(buf, trialcs->cpus_allowed);  in update_cpumask()
1501 		if (!cpumask_subset(trialcs->cpus_allowed,  in update_cpumask()
1507 	if (cpumask_equal(cs->cpus_allowed, trialcs->cpus_allowed))  in update_cpumask()
1510 	retval = validate_change(cs, trialcs);  in update_cpumask()
1519 	tmp.addmask  = trialcs->subparts_cpus;  in update_cpumask()
1520 	tmp.delmask  = trialcs->effective_cpus;  in update_cpumask()
1521 	tmp.new_cpus = trialcs->cpus_allowed;  in update_cpumask()
1526 		if (cpumask_empty(trialcs->cpus_allowed))  in update_cpumask()
1529 					trialcs->cpus_allowed, &tmp) < 0)  in update_cpumask()
1534 	cpumask_copy(cs->cpus_allowed, trialcs->cpus_allowed);  in update_cpumask()
1766 static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,  in update_nodemask()  argument
1787 		nodes_clear(trialcs->mems_allowed);  in update_nodemask()
1789 		retval = nodelist_parse(buf, trialcs->mems_allowed);  in update_nodemask()
1793 		if (!nodes_subset(trialcs->mems_allowed,  in update_nodemask()
1800 	if (nodes_equal(cs->mems_allowed, trialcs->mems_allowed)) {  in update_nodemask()
1804 	retval = validate_change(cs, trialcs);  in update_nodemask()
1809 	cs->mems_allowed = trialcs->mems_allowed;  in update_nodemask()
1813 	update_nodemasks_hier(cs, &trialcs->mems_allowed);  in update_nodemask()
1877 	struct cpuset *trialcs;  in update_flag()  local
1882 	trialcs = alloc_trial_cpuset(cs);  in update_flag()
1883 	if (!trialcs)  in update_flag()
1887 		set_bit(bit, &trialcs->flags);  in update_flag()
1889 		clear_bit(bit, &trialcs->flags);  in update_flag()
1891 	err = validate_change(cs, trialcs);  in update_flag()
1896 				is_sched_load_balance(trialcs));  in update_flag()
1898 	spread_flag_changed = ((is_spread_slab(cs) != is_spread_slab(trialcs))  in update_flag()
1899 			|| (is_spread_page(cs) != is_spread_page(trialcs)));  in update_flag()
1902 	cs->flags = trialcs->flags;  in update_flag()
1905 	if (!cpumask_empty(trialcs->cpus_allowed) && balance_flag_changed)  in update_flag()
1911 	free_cpuset(trialcs);  in update_flag()
2337 	struct cpuset *trialcs;  in cpuset_write_resmask()  local
2370 	trialcs = alloc_trial_cpuset(cs);  in cpuset_write_resmask()
2371 	if (!trialcs) {  in cpuset_write_resmask()
2378 		retval = update_cpumask(cs, trialcs, buf);  in cpuset_write_resmask()
2381 		retval = update_nodemask(cs, trialcs, buf);  in cpuset_write_resmask()
2388 	free_cpuset(trialcs);  in cpuset_write_resmask()