Re: Status of kernel-janitors?

On Mon, Mar 30, 2026 at 09:27:25AM -0400, Robert P. J. Day wrote:
> On Mon, 30 Mar 2026, Linus Probert wrote:
> 
> > Hello,
> >
> > I've been a long time builder and fiddler of kernel source. Running
> > self-compiled kernels and pulling in patches before official release
> > etc. Bog standard for most of you I assume.
> >
> > I'd love to dedicate some spare to help the project. Like so many
> > others.
> >
> > The kernel-janoitors "project" does pop up in various resources such as
> > kernelnewbies and I think it might have been mentioned in one of the
> > Linux Foundations free courses. But links to potential homepages seem to
> > be dead and resources are sometimes dated.
> >
> > I read somewhere that this has mostly evolved into janitorial work in
> > drivers/staging. TODOs were mentioned.
> >
> > So the actual question. In my mind janitorial code work is a good place
> > to dip ones toes when starting out. Is this the right mailing list to
> > ask about such things? Any suggestions to find an area where ones
> > assistance would be welcome?
> >
> > I'm aware of checkpatch.pl but for many drivers diverging from these
> > rules seem intentional and just blindly fixing checkpatch warnings are
> > not helpful to the maintainer.
> > Open source is a lot of work so the goal would be to be helpful while
> > not stealing too much attention from concerned parties.
> 
>   I mention this once in a while ... *many* years ago, I wrote some
> admittedly hacky scripts that scanned the kernel source tree looking
> for what I considered "obvious" cleanups. One of those cleanups was to
> abbreviate the numerous calculations of the length of an array
> sprinkled throughout the source code,

There is a coccinelle check for this already.  I don't know why it
hasn't been done to NUM_ELEMENTS().

scripts/coccinelle/misc/array_size.cocci

regards,
dan carpenter