... 2nd Edition June 2001 . ... The introduction to modularization in Chapter 2, "Building and Running Modules" was only part of the story; the kernel and the modutils package support some advanced features that are more complex than we needed earlier to get a basic driver up and running. The features that we talk about in this chapter include the kmod process and version support inside modules (a facility meant to save you from recompiling your modules each time you upgrade your kernel). ...