174 	struct workqueue_attrs	*attrs;		/* I: worker attributes */  member
1677 	set_cpus_allowed_ptr(worker->task, pool->attrs->cpumask);  in worker_attach_to_pool()
1751 			 pool->attrs->nice < 0  ? "H" : "");  in create_worker()
1760 	set_user_nice(worker->task, pool->attrs->nice);  in create_worker()
3062 void free_workqueue_attrs(struct workqueue_attrs *attrs)  in free_workqueue_attrs()  argument
3064 	if (attrs) {  in free_workqueue_attrs()
3065 		free_cpumask_var(attrs->cpumask);  in free_workqueue_attrs()
3066 		kfree(attrs);  in free_workqueue_attrs()
3081 	struct workqueue_attrs *attrs;  in alloc_workqueue_attrs()  local
3083 	attrs = kzalloc(sizeof(*attrs), gfp_mask);  in alloc_workqueue_attrs()
3084 	if (!attrs)  in alloc_workqueue_attrs()
3086 	if (!alloc_cpumask_var(&attrs->cpumask, gfp_mask))  in alloc_workqueue_attrs()
3089 	cpumask_copy(attrs->cpumask, cpu_possible_mask);  in alloc_workqueue_attrs()
3090 	return attrs;  in alloc_workqueue_attrs()
3092 	free_workqueue_attrs(attrs);  in alloc_workqueue_attrs()
3110 static u32 wqattrs_hash(const struct workqueue_attrs *attrs)  in wqattrs_hash()  argument
3114 	hash = jhash_1word(attrs->nice, hash);  in wqattrs_hash()
3115 	hash = jhash(cpumask_bits(attrs->cpumask),  in wqattrs_hash()
3168 	pool->attrs = alloc_workqueue_attrs(GFP_KERNEL);  in init_worker_pool()
3169 	if (!pool->attrs)  in init_worker_pool()
3193 	free_workqueue_attrs(pool->attrs);  in rcu_free_pool()
3273 static struct worker_pool *get_unbound_pool(const struct workqueue_attrs *attrs)  in get_unbound_pool()  argument
3275 	u32 hash = wqattrs_hash(attrs);  in get_unbound_pool()
3283 		if (wqattrs_equal(pool->attrs, attrs)) {  in get_unbound_pool()
3295 	copy_workqueue_attrs(pool->attrs, attrs);  in get_unbound_pool()
3301 	pool->attrs->no_numa = false;  in get_unbound_pool()
3306 			if (cpumask_subset(pool->attrs->cpumask,  in get_unbound_pool()
3458 					const struct workqueue_attrs *attrs)  in alloc_unbound_pwq()  argument
3465 	pool = get_unbound_pool(attrs);  in alloc_unbound_pwq()
3501 static bool wq_calc_node_cpumask(const struct workqueue_attrs *attrs, int node,  in wq_calc_node_cpumask()  argument
3504 	if (!wq_numa_enabled || attrs->no_numa)  in wq_calc_node_cpumask()
3508 	cpumask_and(cpumask, cpumask_of_node(node), attrs->cpumask);  in wq_calc_node_cpumask()
3516 	cpumask_and(cpumask, attrs->cpumask, wq_numa_possible_cpumask[node]);  in wq_calc_node_cpumask()
3517 	return !cpumask_equal(cpumask, attrs->cpumask);  in wq_calc_node_cpumask()
3520 	cpumask_copy(cpumask, attrs->cpumask);  in wq_calc_node_cpumask()
3545 	struct workqueue_attrs	*attrs;		/* attrs to apply */  member
3560 		free_workqueue_attrs(ctx->attrs);  in apply_wqattrs_cleanup()
3569 		      const struct workqueue_attrs *attrs)  in apply_wqattrs_prepare()  argument
3586 	copy_workqueue_attrs(new_attrs, attrs);  in apply_wqattrs_prepare()
3606 		if (wq_calc_node_cpumask(attrs, node, -1, tmp_attrs->cpumask)) {  in apply_wqattrs_prepare()
3616 	ctx->attrs = new_attrs;  in apply_wqattrs_prepare()
3636 	copy_workqueue_attrs(ctx->wq->unbound_attrs, ctx->attrs);  in apply_wqattrs_commit()
3667 			  const struct workqueue_attrs *attrs)  in apply_workqueue_attrs()  argument
3688 	ctx = apply_wqattrs_prepare(wq, attrs);  in apply_workqueue_attrs()
3762 		if (cpumask_equal(cpumask, pwq->pool->attrs->cpumask))  in wq_update_unbound_numa()
4229 	pr_cont(" cpus=%*pbl", nr_cpumask_bits, pool->attrs->cpumask);  in pr_cont_pool_info()
4232 	pr_cont(" flags=0x%x nice=%d", pool->flags, pool->attrs->nice);  in pr_cont_pool_info()
4477 						  pool->attrs->cpumask) < 0);  in rebind_workers()
4549 	if (!cpumask_test_cpu(cpu, pool->attrs->cpumask))  in restore_unbound_workers_cpumask()
4553 	cpumask_and(&cpumask, pool->attrs->cpumask, cpu_online_mask);  in restore_unbound_workers_cpumask()
4560 						  pool->attrs->cpumask) < 0);  in restore_unbound_workers_cpumask()
4897 	struct workqueue_attrs *attrs;  in wq_sysfs_prep_attrs()  local
4899 	attrs = alloc_workqueue_attrs(GFP_KERNEL);  in wq_sysfs_prep_attrs()
4900 	if (!attrs)  in wq_sysfs_prep_attrs()
4904 	copy_workqueue_attrs(attrs, wq->unbound_attrs);  in wq_sysfs_prep_attrs()
4906 	return attrs;  in wq_sysfs_prep_attrs()
4913 	struct workqueue_attrs *attrs;  in wq_nice_store()  local
4916 	attrs = wq_sysfs_prep_attrs(wq);  in wq_nice_store()
4917 	if (!attrs)  in wq_nice_store()
4920 	if (sscanf(buf, "%d", &attrs->nice) == 1 &&  in wq_nice_store()
4921 	    attrs->nice >= MIN_NICE && attrs->nice <= MAX_NICE)  in wq_nice_store()
4922 		ret = apply_workqueue_attrs(wq, attrs);  in wq_nice_store()
4926 	free_workqueue_attrs(attrs);  in wq_nice_store()
4948 	struct workqueue_attrs *attrs;  in wq_cpumask_store()  local
4951 	attrs = wq_sysfs_prep_attrs(wq);  in wq_cpumask_store()
4952 	if (!attrs)  in wq_cpumask_store()
4955 	ret = cpumask_parse(buf, attrs->cpumask);  in wq_cpumask_store()
4957 		ret = apply_workqueue_attrs(wq, attrs);  in wq_cpumask_store()
4959 	free_workqueue_attrs(attrs);  in wq_cpumask_store()
4981 	struct workqueue_attrs *attrs;  in wq_numa_store()  local
4984 	attrs = wq_sysfs_prep_attrs(wq);  in wq_numa_store()
4985 	if (!attrs)  in wq_numa_store()
4990 		attrs->no_numa = !v;  in wq_numa_store()
4991 		ret = apply_workqueue_attrs(wq, attrs);  in wq_numa_store()
4994 	free_workqueue_attrs(attrs);  in wq_numa_store()
5176 			cpumask_copy(pool->attrs->cpumask, cpumask_of(cpu));  in init_workqueues()
5177 			pool->attrs->nice = std_nice[i++];  in init_workqueues()
5199 		struct workqueue_attrs *attrs;  in init_workqueues()  local
5201 		BUG_ON(!(attrs = alloc_workqueue_attrs(GFP_KERNEL)));  in init_workqueues()
5202 		attrs->nice = std_nice[i];  in init_workqueues()
5203 		unbound_std_wq_attrs[i] = attrs;  in init_workqueues()
5210 		BUG_ON(!(attrs = alloc_workqueue_attrs(GFP_KERNEL)));  in init_workqueues()
5211 		attrs->nice = std_nice[i];  in init_workqueues()
5212 		attrs->no_numa = true;  in init_workqueues()
5213 		ordered_wq_attrs[i] = attrs;  in init_workqueues()