Re: [PATCH 05/15] stackdepot: use fixed-sized slots for stack records

[Alexander Potapenko]

> > As a side note, kmsan_internal_chain_origin()
> > (https://elixir.bootlin.com/linux/latest/source/mm/kmsan/core.c#L214)
> > creates small 3-frame records in the stack depot to link two stacks
> > together, which will add unnecessary stackdepot pressure.
> > But this can be fixed by storing both the new stack trace and the link
> > to the old stack trace in the same record.
>
> Do you mean this can be fixed in KMSAN? Or do you mean some kind of an
> extension to the stack depot interface?

Yes, I'll just fix this on the KMSAN side.