update LIRS find function

1a1a11a · Nov 23, 2024 · b8308cd · b8308cd
1 parent 9bdd4dd
commit b8308cd
Showing 1 changed file with 15 additions and 1 deletion.
diff --git a/libCacheSim/cache/eviction/LIRS.c b/libCacheSim/cache/eviction/LIRS.c
@@ -211,7 +211,21 @@ static cache_obj_t *LIRS_find(cache_t *cache, const request_t *req,
   obj_q = params->LRU_q->find(params->LRU_q, req, update_cache);
 
   if (update_cache == false) {
-    return obj_s != NULL ? obj_s : obj_q;
+    if (obj_s != NULL) {
+      if (obj_s->LIRS.is_LIR || obj_s->LIRS.in_cache) {
+        return obj_s;
+      } else {
+        return NULL;
+      }
+    } else if (obj_q != NULL) {
+      if (obj_q->LIRS.in_cache) {
+        return obj_q;
+      } else {
+        return NULL;
+      }
+    } else {
+      return NULL;
+    }
   }
 
   // cache_obj_t *res = NULL;