linux-kernel - Re: [PATCH v4 4/4] rust: add abstraction for `struct page`

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Message-ID: <CAH5fLgg3wpcDE+n6nd0CGtDzyXSrD2nLhY8RxdTHjAD8hQ9VDQ@mail.gmail.com>
Date: Fri, 5 Apr 2024 09:44:06 +0200
From: Alice Ryhl <aliceryhl@...gle.com>
To: Benno Lossin <benno.lossin@...ton.me>
Cc: Miguel Ojeda <ojeda@...nel.org>, Matthew Wilcox <willy@...radead.org>, 
	Al Viro <viro@...iv.linux.org.uk>, Andrew Morton <akpm@...ux-foundation.org>, 
	Kees Cook <keescook@...omium.org>, Alex Gaynor <alex.gaynor@...il.com>, 
	Wedson Almeida Filho <wedsonaf@...il.com>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Andreas Hindborg <a.hindborg@...sung.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Arve Hjønnevåg <arve@...roid.com>, 
	Todd Kjos <tkjos@...roid.com>, Martijn Coenen <maco@...roid.com>, 
	Joel Fernandes <joel@...lfernandes.org>, Carlos Llamas <cmllamas@...gle.com>, 
	Suren Baghdasaryan <surenb@...gle.com>, Arnd Bergmann <arnd@...db.de>, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org, 
	Christian Brauner <brauner@...nel.org>
Subject: Re: [PATCH v4 4/4] rust: add abstraction for `struct page`

On Fri, Apr 5, 2024 at 12:33 AM Benno Lossin <benno.lossin@...ton.me> wrote:
>
> On 04.04.24 14:31, Alice Ryhl wrote:
> > +/// A bitwise shift for the page size.
> > +#[allow(clippy::unnecessary_cast)]
>
> Why can't you remove the cast?

Bindgen could decide to use a different type in the future or on
different platforms.

Alice