Fix incorrect LRU algorithm (#2778)

* Recheck state after acquiring lock Signed-off-by: Alan Jowett <[email protected]> * Mark entry with current generation when moving to hot-list Signed-off-by: Alan Jowett <[email protected]> --------- Signed-off-by: Alan Jowett <[email protected]> Co-authored-by: Alan Jowett <[email protected]>
microsoft · Aug 22, 2023 · b33adb3 · b33adb3
1 parent 7e1f0aa
commit b33adb3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/libs/execution_context/ebpf_maps.c b/libs/execution_context/ebpf_maps.c
@@ -1063,6 +1063,7 @@ _insert_into_hot_list(_Inout_ ebpf_core_lru_map_t* map, _Inout_ ebpf_lru_entry_t
     ebpf_list_remove_entry(&entry->list_entry);
     ebpf_list_insert_tail(&map->hot_list, &entry->list_entry);
     map->hot_list_size++;
+    entry->generation = map->current_generation;
 
     _merge_hot_into_cold_list_if_needed(map);