Re: [PATCH v2 18/18] lib/stackdepot: move documentation comments to stackdepot.h

[Andrey Konovalov <andreyknvl@gmail.com>]

On Mon, Feb 13, 2023 at 2:28 PM Alexander Potapenko <glider@google.com> wrote:
>
> On Fri, Feb 10, 2023 at 10:19 PM <andrey.konovalov@linux.dev> wrote:
> >
> > From: Andrey Konovalov <andreyknvl@google.com>
> >
> > Move all interface- and usage-related documentation comments to
> > include/linux/stackdepot.h.
> >
> > It makes sense to have them in the header where they are available to
> > the interface users.
> >
> > Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> Reviewed-by: Alexander Potapenko <glider@google.com>
>
> > + * For example, KASAN needs to save allocation and free stack traces for each
> > + * object. Storing two stack traces per object requires a lot of memory (e.g.
> > + * SLUB_DEBUG needs 256 bytes per object for that). Since allocation and free
> > + * stack traces often repeat, using stack depot allows to save about 100x space.
> > + *
> > + * Stack traces are never removed from stack depot.
> ... from the stack depot?

I avoided using "the" for stack depot everywhere to make comments a
bit shorter, but I don't mind using it.

I see that Andrew already added a fix for this. There are other places
where "stack depot" is used without "the", but lets save this for
future clean-ups too.

Thanks!