diff --git a/free-programming-books.md b/free-programming-books.md
index ccf640d3e1be9d9435ad8273c84f6940689f6597..ad5d4cabae924512994ee1ab2a8130e198d930e9 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -454,6 +454,7 @@
 * [The Linux Kernel Module Programming Guide](http://tldp.org/LDP/lkmpg/2.6/html/)
 * [Secure Programming for Linux and Unix](http://www.dwheeler.com/secure-programs/Secure-Programs-HOWTO.html)
 * [Linux from Scratch](http://www.linuxfromscratch.org/lfs/view/stable/)
+* [What Every Programmer Should Know About Memory](http://www.akkadia.org/drepper/cpumemory.pdf)
 
 
 ###Lisp