On Wed, Jul 29, 2020 at 03:55:07PM +0100, Matthew Wilcox wrote: > On Wed, Jul 29, 2020 at 03:52:51PM +0200, Peter Zijlstra wrote: > > Manual repetition is boring and error prone. > > Yes, but generated functions are hard to grep for, and I'm pretty sure > that kernel-doc doesn't know how to expand macros into comments that it > can then extract documentation from. > > I've been thinking about how to cure this (mostly in the context > of page-flags.h). I don't particularly like the C preprocessor, but > m4 is worse and defining our own preprocessing language seems like a > terrible idea. > > So I was thinking about moving the current contents of page-flags.h > to include/src/page-flags.h, making linux/page-flags.h depend on > src/page-flags.h and run '$(CPP) -C' to generate it. I've been a little > busy recently and haven't had time to do more than muse about this, but > I think it might make sense for some of our more heavily macro-templated > header files. Use ctags and add to scripts/tags.sh.