Re: [PATCH] Documentation: Add a source tree map overview

From: Bagas Sanjaya
Date: Sun Jun 01 2025 - 21:28:41 EST


On Sun, Jun 01, 2025 at 09:50:14AM -0700, Randy Dunlap wrote:
> Hi,
>
> On 6/1/25 9:22 AM, William Raezer wrote:
> > Hello,
> >
>
> Please wrap email lines at around 72-75 characters each.
>
> > My name is William Raezer, and this is my first contribution to the Linux kernel. I'm submitting a simple but hopefully helpful addition: a high-level map of the Linux kernel source tree as a new document in `Documentation/source-map.rst`.
>
> This looks somewhat useful, although I was expecting more of a graphic presentation
> of the tree structure. But that would cause trouble with the role of each subdirectory.
> (and one can always use `tree` for that)

I was expecting tree output either.

>
> > As someone beginning to explore the internals of the Linux kernel, I noticed that while there is some documentation available that describes the subsystems in principle, there's no centralized overview of the source tree structure itself. This patch adds a basic source map that describes the role of each top-level directory in the kernel source.
> >
> > The goal is to assist both myself and others in navigating the codebase, especially new contributors who may be overwhelmed by the kernel's size and complexity. As a follow-up, I plan to add subsystem-level maps for key directories such as `kernel/`, `mm/`, and `fs/`.
> >
> > I hope this addition is seen as a positive and useful step, and I’m open to feedback or suggestions to improve it.
>
> Patches should generally be inline as email text, not as attachments.
> This is up to the maintainer to decide about...
> and gmail is not good as maintaining whitespace in emails.
> (I don't see any whitespace problems in the current patch.)

tl;dr: see Documentation/process/submitting-patches.rst.

>
> I get a warning when building with this patch applied:
>
> Documentation/source-map.rst: WARNING: document isn't included in any toctree [toc.not_included]

make htmldocs.

>
> Also, when I look at source-map.html with a web browser, no parts of
> the source-map are shown. (tested with multiple browsers)

Do you mean toctree in the sidebar?

Thanks.

--
An old man doll... just what I always wanted! - Clara

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