For more information about virtual memory management in Linux, see “Understanding the Linux Virtual Memory Manager” by Mel Gorman: www.csn.ul.ie/~mel/projects/vm/guide/pdf/understand.pdf or www.phptr.com/bookstore/product.asp?isbn=0131453483&rl=1#

“Is swap space obsolete?” by Martin Pool sourcefrog.net/weblog/software/linux-kernel/swap.html