Timers and time management in the Linux kernel, Part 7 (github.com)

Unrelated to the post, but another illustration of a great open source book effort is the Stacks Project on algebraic geometry and algebraic stacks: http://stacks.math.columbia.edu/.

What I've loved about following along on this book is that all I need to do to get a new chapter is 'git pull' .. its truly the future of publishing. ;)