*
* In other words, the entry lfq node returned by dequeue must not be
* modified/re-used/freed until the reference count reaches zero and a grace
* period has elapsed (after the refcount reached 0).
*/
*
* In other words, the entry lfq node returned by dequeue must not be
* modified/re-used/freed until the reference count reaches zero and a grace
* period has elapsed (after the refcount reached 0).
*/