- clib_dlist_remove (sm->per_thread_data[thread_index].list_pool,
- s->per_user_index);
- clib_dlist_addtail (sm->per_thread_data[thread_index].list_pool,
- s->per_user_list_head_index, s->per_user_index);
+ /* don't update too often - timeout is in a magnitude of seconds anyway */
+ if (s->last_heard > s->last_lru_update + 1)
+ {
+ clib_dlist_remove (sm->per_thread_data[thread_index].list_pool,
+ s->per_user_index);
+ clib_dlist_addtail (sm->per_thread_data[thread_index].list_pool,
+ s->per_user_list_head_index, s->per_user_index);
+
+ clib_dlist_remove (sm->per_thread_data[thread_index].global_lru_pool,
+ s->global_lru_index);
+ clib_dlist_addtail (sm->per_thread_data[thread_index].global_lru_pool,
+ sm->
+ per_thread_data[thread_index].global_lru_head_index,
+ s->global_lru_index);
+ s->last_lru_update = s->last_heard;
+ }