+ dlist_elt_t *lru_list_elt;
+ pool_get (tsm->global_lru_pool, lru_list_elt);
+ s->global_lru_index = lru_list_elt - tsm->global_lru_pool;
+ clib_dlist_addtail (tsm->global_lru_pool, tsm->global_lru_head_index,
+ s->global_lru_index);
+ lru_list_elt->value = s - tsm->sessions;
+ s->last_lru_update = now;
+