For now just the content copied from the old linux-mm site. Please update and include links to Linux memory management documentation elsewhere.
HighMemory or how the Linux kernel can use more than 1GB of physical memory.
MemoryHierarchy - a work in progress on explaining the memory hierarchy and the need for AdvancedPageReplacement algorithms.
OverCommitAccounting - how to configure memory overcommit mode on Linux.
VirtualMemory - How the kernel handles paging and VM
External documents
Joe Knapka's [http://www.kneuro.net/linux-mm/ Outline of the Linux Memory Management System], which is mostly about the 2.4 kernel.
Mel Gorman's book [http://www.phptr.com/content/images/0131453483/downloads/gorman_book.pdf "Understanding the Linux Virtual Memory Manager"] (beware: it's a 8.5MB pdf) from [http://phptr.com/perens Bruce Perens' Open Source Series], which also covers what is new in 2.6 kernels. [http://www.skynet.ie/~mel/projects/vm/ Here] is Mel's old page about Linux VM.