Function vm_map_entry_pred

freebsd/vm/vm_map.c:1047–1059

* vm_map_entry_{pred,succ}: * * Find the {predecessor, successor} of the entry by taking one step * in the appropriate direction and backtracking as much as necessary. * vm_map_entry_succ is defined in vm_map.h. */

 *	vm_map_entry_succ is defined in vm_map.h.
 */
static inline vm_map_entry_t
vm_map_entry_pred(vm_map_entry_t entry)
{
	vm_map_entry_t prior;

	prior = entry->left;
	if (prior->right->start < entry->start) {
		do
			prior = prior->right;
		while (prior->right != entry);
	}
	return (prior);
}

static inline vm_size_t
vm_size_max(vm_size_t a, vm_size_t b)