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

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Message-Id: <DBRBTLBPR9AT.3TB5N5Z79DQ6W@kernel.org>
Date: Fri, 01 Aug 2025 21:09:22 +0200
From: "Benno Lossin" <lossin@...nel.org>
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>, "Andreas
 Hindborg" <a.hindborg@...nel.org>, "Alice Ryhl" <aliceryhl@...gle.com>,
 "Trevor Gross" <tmgross@...ch.edu>, "Danilo Krummrich" <dakr@...nel.org>,
 "Alexandre Courbot" <acourbot@...dia.com>,
 <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 Fri Aug 1, 2025 at 6:17 PM CEST, 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>

Reviewed-by: Benno Lossin <lossin@...nel.org>

---
Cheers,
Benno

> ---
>  rust/kernel/prelude.rs | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)