diff --git a/Lecture_slides/Ch-2-Memory-Hierarchy/mem_readme b/Lecture_slides/Ch-2-Memory-Hierarchy/mem_readme
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/Lecture_slides/Ch-2-Memory-Hierarchy/mem_readme
@@ -0,0 +1 @@
+