Ejemplos de fq_rehash en C++ (Cpp)

Ejemplo n.º 1

Archivo: sch_fq.c Proyecto: AK101111/linux

static int fq_resize(struct Qdisc *sch, u32 log)
{
	struct fq_sched_data *q = qdisc_priv(sch);
	struct rb_root *array;
	void *old_fq_root;
	u32 idx;

	if (q->fq_root && log == q->fq_trees_log)
		return 0;

	/* If XPS was setup, we can allocate memory on right NUMA node */
	array = fq_alloc_node(sizeof(struct rb_root) << log,
			      netdev_queue_numa_node_read(sch->dev_queue));
	if (!array)
		return -ENOMEM;

	for (idx = 0; idx < (1U << log); idx++)
		array[idx] = RB_ROOT;

	sch_tree_lock(sch);

	old_fq_root = q->fq_root;
	if (old_fq_root)
		fq_rehash(q, old_fq_root, q->fq_trees_log, array, log);

	q->fq_root = array;
	q->fq_trees_log = log;

	sch_tree_unlock(sch);

	fq_free(old_fq_root);

	return 0;
}

Ejemplo n.º 2

Archivo: sch_fq.c Proyecto: marceleng/linux

static int fq_resize(struct Qdisc *sch, u32 log)
{
	struct fq_sched_data *q = qdisc_priv(sch);
	struct rb_root *array;
	void *old_fq_root;
	u32 idx;

	if (q->fq_root && log == q->fq_trees_log)
		return 0;

	array = kmalloc(sizeof(struct rb_root) << log, GFP_KERNEL);
	if (!array)
		return -ENOMEM;

	for (idx = 0; idx < (1U << log); idx++)
		array[idx] = RB_ROOT;

	sch_tree_lock(sch);

	old_fq_root = q->fq_root;
	if (old_fq_root)
		fq_rehash(q, old_fq_root, q->fq_trees_log, array, log);

	q->fq_root = array;
	q->fq_trees_log = log;

	sch_tree_unlock(sch);

	kfree(old_fq_root);

	return 0;
}

Ejemplo n.º 3

Archivo: sch_fq.c Proyecto: OliverGesch/linux

static int fq_resize(struct fq_sched_data *q, u32 log)
{
	struct rb_root *array;
	u32 idx;

	if (q->fq_root && log == q->fq_trees_log)
		return 0;

	array = kmalloc(sizeof(struct rb_root) << log, GFP_KERNEL);
	if (!array)
		return -ENOMEM;

	for (idx = 0; idx < (1U << log); idx++)
		array[idx] = RB_ROOT;

	if (q->fq_root) {
		fq_rehash(q, q->fq_root, q->fq_trees_log, array, log);
		kfree(q->fq_root);
	}
	q->fq_root = array;
	q->fq_trees_log = log;

	return 0;
}