1834 static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,  in update_cpumask()  argument
1853 		cpumask_clear(trialcs->cpus_allowed);  in update_cpumask()
1855 		retval = cpulist_parse(buf, trialcs->cpus_allowed);  in update_cpumask()
1859 		if (!cpumask_subset(trialcs->cpus_allowed,  in update_cpumask()
1865 	if (cpumask_equal(cs->cpus_allowed, trialcs->cpus_allowed))  in update_cpumask()
1871 	retval = validate_change(cs, trialcs);  in update_cpumask()
1889 			    cpumask_intersects(trialcs->cpus_allowed, cp->cpus_allowed)) {  in update_cpumask()
1906 						trialcs->cpus_allowed, &tmp);  in update_cpumask()
1909 	compute_effective_cpumask(trialcs->effective_cpus, trialcs,  in update_cpumask()
1912 	cpumask_copy(cs->cpus_allowed, trialcs->cpus_allowed);  in update_cpumask()
1921 		   (cpumask_subset(trialcs->effective_cpus, cs->subparts_cpus) &&  in update_cpumask()
2164 static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,  in update_nodemask()  argument
2185 		nodes_clear(trialcs->mems_allowed);  in update_nodemask()
2187 		retval = nodelist_parse(buf, trialcs->mems_allowed);  in update_nodemask()
2191 		if (!nodes_subset(trialcs->mems_allowed,  in update_nodemask()
2198 	if (nodes_equal(cs->mems_allowed, trialcs->mems_allowed)) {  in update_nodemask()
2202 	retval = validate_change(cs, trialcs);  in update_nodemask()
2206 	check_insane_mems_config(&trialcs->mems_allowed);  in update_nodemask()
2209 	cs->mems_allowed = trialcs->mems_allowed;  in update_nodemask()
2213 	update_nodemasks_hier(cs, &trialcs->mems_allowed);  in update_nodemask()
2277 	struct cpuset *trialcs;  in update_flag()  local
2282 	trialcs = alloc_trial_cpuset(cs);  in update_flag()
2283 	if (!trialcs)  in update_flag()
2287 		set_bit(bit, &trialcs->flags);  in update_flag()
2289 		clear_bit(bit, &trialcs->flags);  in update_flag()
2291 	err = validate_change(cs, trialcs);  in update_flag()
2296 				is_sched_load_balance(trialcs));  in update_flag()
2298 	spread_flag_changed = ((is_spread_slab(cs) != is_spread_slab(trialcs))  in update_flag()
2299 			|| (is_spread_page(cs) != is_spread_page(trialcs)));  in update_flag()
2302 	cs->flags = trialcs->flags;  in update_flag()
2305 	if (!cpumask_empty(trialcs->cpus_allowed) && balance_flag_changed)  in update_flag()
2311 	free_cpuset(trialcs);  in update_flag()
2849 	struct cpuset *trialcs;  in cpuset_write_resmask()  local
2882 	trialcs = alloc_trial_cpuset(cs);  in cpuset_write_resmask()
2883 	if (!trialcs) {  in cpuset_write_resmask()
2890 		retval = update_cpumask(cs, trialcs, buf);  in cpuset_write_resmask()
2893 		retval = update_nodemask(cs, trialcs, buf);  in cpuset_write_resmask()
2900 	free_cpuset(trialcs);  in cpuset_write_resmask()