linux-kernel - Re: [PATCH v5 3/6] rust: bitmap: rename IdPool::new() to with

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Message-ID: <aRSDuUquGfg-BFxl@google.com>
Date: Wed, 12 Nov 2025 12:55:21 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Yury Norov <yury.norov@...il.com>
Cc: "Arve Hjønnevåg" <arve@...roid.com>, Todd Kjos <tkjos@...roid.com>, 
	Martijn Coenen <maco@...roid.com>, Joel Fernandes <joelagnelf@...dia.com>, 
	Christian Brauner <brauner@...nel.org>, Carlos Llamas <cmllamas@...gle.com>, 
	Suren Baghdasaryan <surenb@...gle.com>, Burak Emir <bqe@...gle.com>, Miguel Ojeda <ojeda@...nel.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>, Trevor Gross <tmgross@...ch.edu>, 
	Danilo Krummrich <dakr@...nel.org>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 3/6] rust: bitmap: rename IdPool::new() to with_capacity()

On Wed, Nov 12, 2025 at 12:47:21PM +0000, Alice Ryhl wrote:
> We want to change ::new() to take no parameters and produce a pool that
> is as large as possible while also being inline because that is the
> constructor that Rust Binder actually needs.
> 
> However, to avoid complications in examples, we still need the current
> constructor. So rename it to with_capacity(), which is the idiomatic
> Rust name for this kind constructor.
> 
> Reviewed-by: Burak Emir <bqe@...gle.com>
> Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>

> -        let num_ids = usize::max(num_ids, BitmapVec::MAX_INLINE_LEN);
> +        let num_ids = usize::max(num_ids, BITS_PER_LONG);

Ah ... I messed up the rebase here.

Alice