diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index fe1ad8f..7a9b5c5 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -108,7 +108,9 @@
 				continue;
 			cpunode_map[cpu] = mem;
 		}
+		closedir(dir2);
 	}
+	closedir(dir1);
 }
 
 static void insert_alloc_stat(unsigned long call_site, unsigned long ptr,