linux-kernel - Re: [PATCH] rust: prelude: re-export `core::mem::{align,size}_of{,

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Message-Id: <DBTA4RX0BH21.1KPTNB4R6SJBS@nvidia.com>
Date: Mon, 04 Aug 2025 11:15:16 +0900
From: "Alexandre Courbot" <acourbot@...dia.com>
To: "Miguel Ojeda" <ojeda@...nel.org>, "Alex Gaynor" <alex.gaynor@...il.com>
Cc: "Boqun Feng" <boqun.feng@...il.com>, "Gary Guo" <gary@...yguo.net>,
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, "Benno Lossin"
 <lossin@...nel.org>, "Andreas Hindborg" <a.hindborg@...nel.org>, "Alice
 Ryhl" <aliceryhl@...gle.com>, "Trevor Gross" <tmgross@...ch.edu>, "Danilo
 Krummrich" <dakr@...nel.org>, <rust-for-linux@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, <patches@...ts.linux.dev>
Subject: Re: [PATCH] rust: prelude: re-export
 `core::mem::{align,size}_of{,_val}`

On Sat Aug 2, 2025 at 1:17 AM JST, Miguel Ojeda wrote:
> Rust 1.80.0 added:
>
>     align_of
>     align_of_val
>     size_of
>     size_of_val
>
> from `core::mem` to the prelude [1].
>
> For similar reasons, and to minimize potential confusion when code may
> work in later versions but not in our current minimum, add it to our
> prelude too.
>
> Link: https://github.com/rust-lang/rust/pull/123168 [1]
> Link: https://lore.kernel.org/rust-for-linux/CANiq72kOLYR2A95o0ji2mDmEqOKh9e9_60zZKmgF=vZmsW6DRg@mail.gmail.com/ [2]
> Signed-off-by: Miguel Ojeda <ojeda@...nel.org>

Nice to have these more readily accessible!

Reviewed-by: Alexandre Courbot <acourbot@...dia.com>