Function vm_pageout_next

freebsd/vm/vm_pageout.c:316–323

* Return the next page to be scanned, or NULL if the scan is complete. */

 * Return the next page to be scanned, or NULL if the scan is complete.
 */
static __always_inline vm_page_t
vm_pageout_next(struct scan_state *ss, const bool dequeue)
{

	if (ss->bq.bq_cnt == 0)
		vm_pageout_collect_batch(ss, dequeue);
	return (vm_batchqueue_pop(&ss->bq));
}

/*
 * Determine whether processing of a page should be deferred and ensure that any