Merge branch 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue updates from Tejun Heo:
 "Just a couple cleanup patches.  No functional changes."

* 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Remove GPF argument from alloc_workqueue_attrs()
  workqueue: Make alloc/apply/free_workqueue_attrs() static

include/linux/workqueue.h

@@ -435,10 +435,6 @@ struct workqueue_struct *alloc_workqueue(const char *fmt,
 
 extern void destroy_workqueue(struct workqueue_struct *wq);
 
-struct workqueue_attrs *alloc_workqueue_attrs(gfp_t gfp_mask);
-void free_workqueue_attrs(struct workqueue_attrs *attrs);
-int apply_workqueue_attrs(struct workqueue_struct *wq,
-			  const struct workqueue_attrs *attrs);
 int workqueue_set_unbound_cpumask(cpumask_var_t cpumask);
 
 extern bool queue_work_on(int cpu, struct workqueue_struct *wq,

kernel/workqueue.c

@@ -3329,7 +3329,7 @@ EXPORT_SYMBOL_GPL(execute_in_process_context);
  *
  * Undo alloc_workqueue_attrs().
  */
-void free_workqueue_attrs(struct workqueue_attrs *attrs)
+static void free_workqueue_attrs(struct workqueue_attrs *attrs)
 {
 	if (attrs) {
 		free_cpumask_var(attrs->cpumask);
@@ -3339,21 +3339,20 @@ void free_workqueue_attrs(struct workqueue_attrs *attrs)
 
 /**
  * alloc_workqueue_attrs - allocate a workqueue_attrs
- * @gfp_mask: allocation mask to use
  *
  * Allocate a new workqueue_attrs, initialize with default settings and
  * return it.
  *
  * Return: The allocated new workqueue_attr on success. %NULL on failure.
  */
-struct workqueue_attrs *alloc_workqueue_attrs(gfp_t gfp_mask)
+static struct workqueue_attrs *alloc_workqueue_attrs(void)
 {
 	struct workqueue_attrs *attrs;
 
-	attrs = kzalloc(sizeof(*attrs), gfp_mask);
+	attrs = kzalloc(sizeof(*attrs), GFP_KERNEL);
 	if (!attrs)
 		goto fail;
-	if (!alloc_cpumask_var(&attrs->cpumask, gfp_mask))
+	if (!alloc_cpumask_var(&attrs->cpumask, GFP_KERNEL))
 		goto fail;
 
 	cpumask_copy(attrs->cpumask, cpu_possible_mask);
@@ -3431,7 +3430,7 @@ static int init_worker_pool(struct worker_pool *pool)
 	pool->refcnt = 1;
 
 	/* shouldn't fail above this point */
-	pool->attrs = alloc_workqueue_attrs(GFP_KERNEL);
+	pool->attrs = alloc_workqueue_attrs();
 	if (!pool->attrs)
 		return -ENOMEM;
 	return 0;
@@ -3896,8 +3895,8 @@ apply_wqattrs_prepare(struct workqueue_struct *wq,
 
 	ctx = kzalloc(struct_size(ctx, pwq_tbl, nr_node_ids), GFP_KERNEL);
 
-	new_attrs = alloc_workqueue_attrs(GFP_KERNEL);
-	tmp_attrs = alloc_workqueue_attrs(GFP_KERNEL);
+	new_attrs = alloc_workqueue_attrs();
+	tmp_attrs = alloc_workqueue_attrs();
 	if (!ctx || !new_attrs || !tmp_attrs)
 		goto out_free;
 
@@ -4033,7 +4032,7 @@ static int apply_workqueue_attrs_locked(struct workqueue_struct *wq,
  *
  * Return: 0 on success and -errno on failure.
  */
-int apply_workqueue_attrs(struct workqueue_struct *wq,
+static int apply_workqueue_attrs(struct workqueue_struct *wq,
 			  const struct workqueue_attrs *attrs)
 {
 	int ret;
@@ -4044,7 +4043,6 @@ int apply_workqueue_attrs(struct workqueue_struct *wq,
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(apply_workqueue_attrs);
 
 /**
  * wq_update_unbound_numa - update NUMA affinity of a wq for CPU hot[un]plug
@@ -4242,7 +4240,7 @@ struct workqueue_struct *alloc_workqueue(const char *fmt,
 		return NULL;
 
 	if (flags & WQ_UNBOUND) {
-		wq->unbound_attrs = alloc_workqueue_attrs(GFP_KERNEL);
+		wq->unbound_attrs = alloc_workqueue_attrs();
 		if (!wq->unbound_attrs)
 			goto err_free_wq;
 	}
@@ -5395,7 +5393,7 @@ static struct workqueue_attrs *wq_sysfs_prep_attrs(struct workqueue_struct *wq)
 
 	lockdep_assert_held(&wq_pool_mutex);
 
-	attrs = alloc_workqueue_attrs(GFP_KERNEL);
+	attrs = alloc_workqueue_attrs();
 	if (!attrs)
 		return NULL;
 
@@ -5817,7 +5815,7 @@ static void __init wq_numa_init(void)
 		return;
 	}
 
-	wq_update_unbound_numa_attrs_buf = alloc_workqueue_attrs(GFP_KERNEL);
+	wq_update_unbound_numa_attrs_buf = alloc_workqueue_attrs();
 	BUG_ON(!wq_update_unbound_numa_attrs_buf);
 
 	/*
@@ -5892,7 +5890,7 @@ int __init workqueue_init_early(void)
 	for (i = 0; i < NR_STD_WORKER_POOLS; i++) {
 		struct workqueue_attrs *attrs;
 
-		BUG_ON(!(attrs = alloc_workqueue_attrs(GFP_KERNEL)));
+		BUG_ON(!(attrs = alloc_workqueue_attrs()));
 		attrs->nice = std_nice[i];
 		unbound_std_wq_attrs[i] = attrs;
 
@@ -5901,7 +5899,7 @@ int __init workqueue_init_early(void)
 		 * guaranteed by max_active which is enforced by pwqs.
 		 * Turn off NUMA so that dfl_pwq is used for all nodes.
 		 */
-		BUG_ON(!(attrs = alloc_workqueue_attrs(GFP_KERNEL)));
+		BUG_ON(!(attrs = alloc_workqueue_attrs()));
 		attrs->nice = std_nice[i];
 		attrs->no_numa = true;
 		ordered_wq_attrs[i] = attrs;