From c71bb9b6f4c8fcfeb47d9ee96c814b67aaef8d38 Mon Sep 17 00:00:00 2001
From: 0xAX <0xAX@users.noreply.github.com>
Date: Sun, 8 May 2016 20:15:43 +0600
Subject: [PATCH] Update README.md

---
 SyncPrim/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/SyncPrim/README.md b/SyncPrim/README.md
index b57fe8b..f8ab43a 100644
--- a/SyncPrim/README.md
+++ b/SyncPrim/README.md
@@ -5,3 +5,4 @@ This chapter describes synchronization primitivies in the Linux kernel.
 * [Introduction to spinlocks](http://0xax.gitbooks.io/linux-insides/content/SyncPrim/sync-1.html) - the first part of this chapter describes implementation of spinlock mechanism in the Linux kernel.
 * [Queued spinlocks](https://0xax.gitbooks.io/linux-insides/content/SyncPrim/sync-2.html) - the second part describes another type of spinlocks - queued spinlocks.
 * [Semaphores](https://0xax.gitbooks.io/linux-insides/content/SyncPrim/sync-3.html) - this part describes implementation of `semaphore` synchronization primitive in the Linux kernel.
+* [Mutual exclusion](https://0xax.gitbooks.io/linux-insides/content/SyncPrim/sync-4.html) - this part describes - `mutex` in the Linux kernel.