Understanding the Linux Virtual Memory Manager
https://www.kernel.org/doc/gorman/

Memory management in Linux
http://www.ecsl.cs.sunysb.edu/elibrary/linux/mm/mm.pdf

Blog (Anatomy of a Program in Memory)
http://duartes.org/gustavo/blog/post/anatomy-of-a-program-in-memory

Blog (How The Kernel Manages Your Memory)
http://duartes.org/gustavo/blog/post/how-the-kernel-manages-your-memory