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	sleepq_sbuf_print_stacks(struct sbuf sb, void wchan, int queue,			sleepq_sbuf_print_stacks(struct sbuf sb, void wchan, int queue,
	int *count_stacks_printed)			int *count_stacks_printed)
	{			{
	struct thread td, td_next;			struct thread td, td_next;
	struct sleepqueue *sq;			struct sleepqueue *sq;
	struct stack **st;			struct stack **st;
	struct sbuf **td_infos;			struct sbuf **td_infos;
	int i, stack_idx, error, stacks_to_allocate;			int i, stack_idx, error, stacks_to_allocate;
	bool finished, partial_print;			bool finished;

	error = 0;			error = 0;
	finished = false;			finished = false;
	partial_print = false;

	KASSERT(wchan != NULL, ("%s: invalid NULL wait channel", __func__));			KASSERT(wchan != NULL, ("%s: invalid NULL wait channel", __func__));
	MPASS((queue >= 0) && (queue < NR_SLEEPQS));			MPASS((queue >= 0) && (queue < NR_SLEEPQS));

	stacks_to_allocate = 10;			stacks_to_allocate = 10;
	for (i = 0; i < 3 && !finished ; i++) {			for (i = 0; i < 3 && !finished ; i++) {
	/* We cannot malloc while holding the queue's spinlock, so			/* We cannot malloc while holding the queue's spinlock, so
	* we do our mallocs now, and hope it is enough. If it			* we do our mallocs now, and hope it is enough. If it
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