linux-kernel - Re: [PATCH v5 00/26] Generic `Allocator` support for Rust

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Message-ID: <CAH5fLgjzNpeVVurPqVS=tMkKQOhXz08EsXRO4s9wYsNBuT6eVw@mail.gmail.com>
Date: Thu, 15 Aug 2024 14:34:50 +0200
From: Alice Ryhl <aliceryhl@...gle.com>
To: Danilo Krummrich <dakr@...nel.org>
Cc: Boqun Feng <boqun.feng@...il.com>, ojeda@...nel.org, alex.gaynor@...il.com, 
	wedsonaf@...il.com, gary@...yguo.net, bjorn3_gh@...tonmail.com, 
	benno.lossin@...ton.me, a.hindborg@...sung.com, akpm@...ux-foundation.org, 
	daniel.almeida@...labora.com, faith.ekstrand@...labora.com, 
	boris.brezillon@...labora.com, lina@...hilina.net, mcanal@...lia.com, 
	zhiw@...dia.com, cjia@...dia.com, jhubbard@...dia.com, airlied@...hat.com, 
	ajanulgu@...hat.com, lyude@...hat.com, linux-kernel@...r.kernel.org, 
	rust-for-linux@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v5 00/26] Generic `Allocator` support for Rust

On Thu, Aug 15, 2024 at 2:33 PM Danilo Krummrich <dakr@...nel.org> wrote:
>
> On Thu, Aug 15, 2024 at 11:20:32AM +0200, Alice Ryhl wrote:
> > On Thu, Aug 15, 2024 at 4:52 AM Danilo Krummrich <dakr@...nel.org> wrote:
> > >
> > > On Wed, Aug 14, 2024 at 12:32:15PM -0700, Boqun Feng wrote:
> > > > Hi Danilo,
> > > >
> > > > I'm trying to put your series on rust-dev, but I hit a few conflicts due
> > > > to the conflict with `Box::drop_contents`, which has been in rust-dev
> > > > for a while. And the conflict is not that trivial for me to resolve.
> > > > So just a head-up, that's a requirement for me to put it on rust-dev for
> > > > more tests from my end ;-)
> > >
> > > I rebased everything and you can fetch them from [1].
> > >
> > > I resolved the following conflicts:
> > >
> > >   - for `Box`, implement
> > >     - `drop_contents`
> > >     - `manually_drop_contents` [2]
> >
> > Not sure I like this name. It sounds like something that runs the
> > destructor, but it does the exact opposite.
>
> I thought it kinda makes sense, since it's analogous to `ManuallyDrop::new`.
>
> What about `Box::forget_contents` instead?

One option is `into_manually_drop`. This uses the convention of using
the `into_*` prefix for conversions that take ownership of the
original value.

Alice