174 	struct workqueue_attrs	*attrs;		/* I: worker attributes */  member
1672 	set_cpus_allowed_ptr(worker->task, pool->attrs->cpumask);  in worker_attach_to_pool()
1746 			 pool->attrs->nice < 0  ? "H" : "");  in create_worker()
1755 	set_user_nice(worker->task, pool->attrs->nice);  in create_worker()
1756 	kthread_bind_mask(worker->task, pool->attrs->cpumask);  in create_worker()
3025 void free_workqueue_attrs(struct workqueue_attrs *attrs)  in free_workqueue_attrs()  argument
3027 	if (attrs) {  in free_workqueue_attrs()
3028 		free_cpumask_var(attrs->cpumask);  in free_workqueue_attrs()
3029 		kfree(attrs);  in free_workqueue_attrs()
3044 	struct workqueue_attrs *attrs;  in alloc_workqueue_attrs()  local
3046 	attrs = kzalloc(sizeof(*attrs), gfp_mask);  in alloc_workqueue_attrs()
3047 	if (!attrs)  in alloc_workqueue_attrs()
3049 	if (!alloc_cpumask_var(&attrs->cpumask, gfp_mask))  in alloc_workqueue_attrs()
3052 	cpumask_copy(attrs->cpumask, cpu_possible_mask);  in alloc_workqueue_attrs()
3053 	return attrs;  in alloc_workqueue_attrs()
3055 	free_workqueue_attrs(attrs);  in alloc_workqueue_attrs()
3073 static u32 wqattrs_hash(const struct workqueue_attrs *attrs)  in wqattrs_hash()  argument
3077 	hash = jhash_1word(attrs->nice, hash);  in wqattrs_hash()
3078 	hash = jhash(cpumask_bits(attrs->cpumask),  in wqattrs_hash()
3131 	pool->attrs = alloc_workqueue_attrs(GFP_KERNEL);  in init_worker_pool()
3132 	if (!pool->attrs)  in init_worker_pool()
3156 	free_workqueue_attrs(pool->attrs);  in rcu_free_pool()
3236 static struct worker_pool *get_unbound_pool(const struct workqueue_attrs *attrs)  in get_unbound_pool()  argument
3238 	u32 hash = wqattrs_hash(attrs);  in get_unbound_pool()
3247 		if (wqattrs_equal(pool->attrs, attrs)) {  in get_unbound_pool()
3256 			if (cpumask_subset(attrs->cpumask,  in get_unbound_pool()
3270 	copy_workqueue_attrs(pool->attrs, attrs);  in get_unbound_pool()
3277 	pool->attrs->no_numa = false;  in get_unbound_pool()
3423 					const struct workqueue_attrs *attrs)  in alloc_unbound_pwq()  argument
3430 	pool = get_unbound_pool(attrs);  in alloc_unbound_pwq()
3466 static bool wq_calc_node_cpumask(const struct workqueue_attrs *attrs, int node,  in wq_calc_node_cpumask()  argument
3469 	if (!wq_numa_enabled || attrs->no_numa)  in wq_calc_node_cpumask()
3473 	cpumask_and(cpumask, cpumask_of_node(node), attrs->cpumask);  in wq_calc_node_cpumask()
3481 	cpumask_and(cpumask, attrs->cpumask, wq_numa_possible_cpumask[node]);  in wq_calc_node_cpumask()
3482 	return !cpumask_equal(cpumask, attrs->cpumask);  in wq_calc_node_cpumask()
3485 	cpumask_copy(cpumask, attrs->cpumask);  in wq_calc_node_cpumask()
3510 	struct workqueue_attrs	*attrs;		/* attrs to apply */  member
3526 		free_workqueue_attrs(ctx->attrs);  in apply_wqattrs_cleanup()
3535 		      const struct workqueue_attrs *attrs)  in apply_wqattrs_prepare()  argument
3556 	copy_workqueue_attrs(new_attrs, attrs);  in apply_wqattrs_prepare()
3589 	copy_workqueue_attrs(new_attrs, attrs);  in apply_wqattrs_prepare()
3591 	ctx->attrs = new_attrs;  in apply_wqattrs_prepare()
3612 	copy_workqueue_attrs(ctx->wq->unbound_attrs, ctx->attrs);  in apply_wqattrs_commit()
3640 					const struct workqueue_attrs *attrs)  in apply_workqueue_attrs_locked()  argument
3653 	ctx = apply_wqattrs_prepare(wq, attrs);  in apply_workqueue_attrs_locked()
3683 			  const struct workqueue_attrs *attrs)  in apply_workqueue_attrs()  argument
3688 	ret = apply_workqueue_attrs_locked(wq, attrs);  in apply_workqueue_attrs()
3748 	if (wq_calc_node_cpumask(wq->dfl_pwq->pool->attrs, node, cpu_off, cpumask)) {  in wq_update_unbound_numa()
3749 		if (cpumask_equal(cpumask, pwq->pool->attrs->cpumask))  in wq_update_unbound_numa()
4209 	pr_cont(" cpus=%*pbl", nr_cpumask_bits, pool->attrs->cpumask);  in pr_cont_pool_info()
4212 	pr_cont(" flags=0x%x nice=%d", pool->flags, pool->attrs->nice);  in pr_cont_pool_info()
4457 						  pool->attrs->cpumask) < 0);  in rebind_workers()
4529 	if (!cpumask_test_cpu(cpu, pool->attrs->cpumask))  in restore_unbound_workers_cpumask()
4533 	cpumask_and(&cpumask, pool->attrs->cpumask, cpu_online_mask);  in restore_unbound_workers_cpumask()
4540 						  pool->attrs->cpumask) < 0);  in restore_unbound_workers_cpumask()
4953 	struct workqueue_attrs *attrs;  in wq_sysfs_prep_attrs()  local
4957 	attrs = alloc_workqueue_attrs(GFP_KERNEL);  in wq_sysfs_prep_attrs()
4958 	if (!attrs)  in wq_sysfs_prep_attrs()
4961 	copy_workqueue_attrs(attrs, wq->unbound_attrs);  in wq_sysfs_prep_attrs()
4962 	return attrs;  in wq_sysfs_prep_attrs()
4969 	struct workqueue_attrs *attrs;  in wq_nice_store()  local
4974 	attrs = wq_sysfs_prep_attrs(wq);  in wq_nice_store()
4975 	if (!attrs)  in wq_nice_store()
4978 	if (sscanf(buf, "%d", &attrs->nice) == 1 &&  in wq_nice_store()
4979 	    attrs->nice >= MIN_NICE && attrs->nice <= MAX_NICE)  in wq_nice_store()
4980 		ret = apply_workqueue_attrs_locked(wq, attrs);  in wq_nice_store()
4986 	free_workqueue_attrs(attrs);  in wq_nice_store()
5008 	struct workqueue_attrs *attrs;  in wq_cpumask_store()  local
5013 	attrs = wq_sysfs_prep_attrs(wq);  in wq_cpumask_store()
5014 	if (!attrs)  in wq_cpumask_store()
5017 	ret = cpumask_parse(buf, attrs->cpumask);  in wq_cpumask_store()
5019 		ret = apply_workqueue_attrs_locked(wq, attrs);  in wq_cpumask_store()
5023 	free_workqueue_attrs(attrs);  in wq_cpumask_store()
5045 	struct workqueue_attrs *attrs;  in wq_numa_store()  local
5050 	attrs = wq_sysfs_prep_attrs(wq);  in wq_numa_store()
5051 	if (!attrs)  in wq_numa_store()
5056 		attrs->no_numa = !v;  in wq_numa_store()
5057 		ret = apply_workqueue_attrs_locked(wq, attrs);  in wq_numa_store()
5062 	free_workqueue_attrs(attrs);  in wq_numa_store()
5287 			cpumask_copy(pool->attrs->cpumask, cpumask_of(cpu));  in init_workqueues()
5288 			pool->attrs->nice = std_nice[i++];  in init_workqueues()
5310 		struct workqueue_attrs *attrs;  in init_workqueues()  local
5312 		BUG_ON(!(attrs = alloc_workqueue_attrs(GFP_KERNEL)));  in init_workqueues()
5313 		attrs->nice = std_nice[i];  in init_workqueues()
5314 		unbound_std_wq_attrs[i] = attrs;  in init_workqueues()
5321 		BUG_ON(!(attrs = alloc_workqueue_attrs(GFP_KERNEL)));  in init_workqueues()
5322 		attrs->nice = std_nice[i];  in init_workqueues()
5323 		attrs->no_numa = true;  in init_workqueues()
5324 		ordered_wq_attrs[i] = attrs;  in init_workqueues()