[$] Digging in the kernel dust

<p>Refactoring the kernel means taking some part of the kernel thatis showing its age and rewriting it so it works better.Thomas Gleixner has done a lot of this over the past decade; he spokeat Kernel Recipes about the details of some of that work and the lessonsthat he learned. By way of foreshadowing how much fun this canbe, he subtitled the talk "Digging in Dust".