Re: [RFC PATCH] docs/mm: add VMA locks documentation

[Lorenzo Stoakes <lorenzo.stoakes@oracle.com>]

On Tue, Nov 05, 2024 at 02:56:43PM +0100, Alice Ryhl wrote:
[snip]
> >
> > As a wordy aside, a large part of the motivation of this document, or
> > certainly my prioritisation of it, is explicitly to help the rust team
> > correctly abstract this aspect of mm.
> >
> > The other part is to help the mm team, that is especailly myself, correctly
> > understand and _remember_ the numerous painful ins and outs of this stuff,
> > much of which has been pertinent of late for not wonderfully positive
> > reasons.
> >
> > Hopefully we accomplish both! :>)
>
> I do think this has revealed one issue with my Rust patch, which is
> that VmAreaMut currently requires the mmap lock, but it should also
> require the vma lock, since you need both for writing.
>
> Alice

Awesome :) I am genuinely hoping this doc will aid you guys in rust in
general.

And maybe I can use advent of code this year to actually learn the language
myself...

I nominate Vlasta to join me ;)