linux-kernel - Re: [PATCH] rust: alloc: remove `allocator

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Message-Id: <DCBKYG65XMBV.1E287MARVTUP2@kernel.org>
Date: Mon, 25 Aug 2025 16:32:12 +0200
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Miguel Ojeda" <ojeda@...nel.org>
Cc: "Alex Gaynor" <alex.gaynor@...il.com>, "Lorenzo Stoakes"
 <lorenzo.stoakes@...cle.com>, "Vlastimil Babka" <vbabka@...e.cz>, "Liam R .
 Howlett" <Liam.Howlett@...cle.com>, "Uladzislau Rezki" <urezki@...il.com>,
 <rust-for-linux@...r.kernel.org>, "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>, <linux-kernel@...r.kernel.org>,
 <patches@...ts.linux.dev>
Subject: Re: [PATCH] rust: alloc: remove `allocator_test`

On Sat Aug 16, 2025 at 11:19 PM CEST, Miguel Ojeda wrote:
> Given we do not have tests that rely on it anymore, remove
> `allocator_test`, which simplifies the complexity of the build.
>
> In particular, it avoids potential issues with `rusttest`, such as the
> one fixed at [1], where a public function was added to `Kmalloc` and
> used elsewhere, but it was not added to `Cmalloc`; or trivial issues
> like a missing import [2] due to not many people testing that target.
>
> The only downside is that we cannot use it in the `macros`' crate
> examples anymore, but we did not feel a need for that so far, and anyway
> we could support that by running those within the kernel too, which we
> may do regardless.
>
> Link: https://lore.kernel.org/rust-for-linux/20250816204215.2719559-1-ojeda@kernel.org/ [1]
> Link: https://lore.kernel.org/rust-for-linux/20250816210214.2729269-1-ojeda@kernel.org/ [2]
> Signed-off-by: Miguel Ojeda <ojeda@...nel.org>

Applied to alloc-next, thanks!