On Mon, Jun 30, 2025 at 02:02:25PM -0400, Robert P. J. Day wrote: > > As promised, I have the first small number of kernel cleanup scripts > that should inspire some obvious janitorial work: > > https://crashcourse.ca/doku/doku.php?id=linux_kernel_cleanup > > There will be more scripts coming, and a lot of them will address some > rather obvious cleanup that relates to identifying leftover cruft that > was overlooked when something was removed from the kernel -- things > like: > > - are there things being #defined and never referenced? Quite often people publish these deliberately. They sort of function as documentation. At one company every time they expose anything about the hardware interface it has to be approved by the legal dept so they publish every single define that they can possibly think of as early as possible so they don't have to go back and forth with legal later on. > - are there things defined in Kconfig files that are never used, > or vice versa? Lukas Bulwahn does a lot of this work already. It will be interesting to see if there is anything his scripts miss. > - are there header files that are never included anymore? That's a good idea. regards, dan carpenter
