linux-kernel - Re: [PATCH v1 0/3] rust: make various `alloc` functions `const fn`

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Message-Id: <DBGYNQJJ0JI6.P280ZLVZUSO6@kernel.org>
Date: Sun, 20 Jul 2025 16:43:49 +0200
From: "Benno Lossin" <lossin@...nel.org>
To: Onur Özkan <work@...rozkan.dev>,
 <rust-for-linux@...r.kernel.org>
Cc: <dakr@...nel.org>, <ojeda@...nel.org>, <alex.gaynor@...il.com>,
 <boqun.feng@...il.com>, <gary@...yguo.net>, <bjorn3_gh@...tonmail.com>,
 <a.hindborg@...nel.org>, <aliceryhl@...gle.com>, <tmgross@...ch.edu>,
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 0/3] rust: make various `alloc` functions `const fn`

On Sun Jul 20, 2025 at 11:48 AM CEST, Onur Özkan wrote:
> This patch series makes various functions in the
> `alloc` crate const fn.
>
> Each patch corresponds to a different module within
> the same `alloc` crate.
>
> Onur Özkan (3):
>   rust: make `allocator::aligned_size` a `const fn`
>   rust: make `ArrayLayout::new_unchecked` a `const fn`
>   rust: make `kvec::Vec` functions `const fn`
>
>  rust/kernel/alloc/allocator.rs |  2 +-
>  rust/kernel/alloc/kvec.rs      | 10 +++++-----
>  rust/kernel/alloc/layout.rs    |  2 +-
>  3 files changed, 7 insertions(+), 7 deletions(-)

This looks sensible, any particular reason for why you need them const?

For the entire series:

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

---
Cheers,
Benno