453 static int validate_change(struct cpuset *cur, struct cpuset *trial)  in validate_change()  argument
463 	cpuset_for_each_child(c, css, cur)  in validate_change()
469 	if (cur == &top_cpuset)  in validate_change()
472 	par = parent_cs(cur);  in validate_change()
476 	if (!cgroup_on_dfl(cur->css.cgroup) && !is_cpuset_subset(trial, par))  in validate_change()
486 		    c != cur &&  in validate_change()
490 		    c != cur &&  in validate_change()
500 	if ((cgroup_has_tasks(cur->css.cgroup) || cur->attach_in_progress)) {  in validate_change()
501 		if (!cpumask_empty(cur->cpus_allowed) &&  in validate_change()
504 		if (!nodes_empty(cur->mems_allowed) &&  in validate_change()
514 	if (is_cpu_exclusive(cur) &&  in validate_change()
515 	    !cpuset_cpumask_can_shrink(cur->cpus_allowed,  in validate_change()