linux-kernel - Re: [PATCH 1/3] rust: xarray: abstract `xa

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Message-ID: <aOaK44WhBTZcnUfU@google.com>
Date: Wed, 8 Oct 2025 16:01:39 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: "Onur Özkan" <work@...rozkan.dev>
Cc: Benno Lossin <lossin@...nel.org>, rust-for-linux@...r.kernel.org, ojeda@...nel.org, 
	alex.gaynor@...il.com, boqun.feng@...il.com, gary@...yguo.net, 
	bjorn3_gh@...tonmail.com, tmgross@...ch.edu, dakr@...nel.org, 
	linux-kernel@...r.kernel.org, acourbot@...dia.com, airlied@...il.com, 
	simona@...ll.ch, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, 
	tzimmermann@...e.de, corbet@....net, lyude@...hat.com, 
	linux-doc@...r.kernel.org
Subject: Re: [PATCH 1/3] rust: xarray: abstract `xa_alloc`

On Wed, Oct 08, 2025 at 04:22:01PM +0300, Onur Özkan wrote:
> On Wed, 8 Oct 2025 13:01:34 +0000
> Alice Ryhl <aliceryhl@...gle.com> wrote:
> 
> > On Wed, Oct 08, 2025 at 12:18:24PM +0200, Benno Lossin wrote:
> > > On Tue Oct 7, 2025 at 12:58 PM CEST, Alice Ryhl wrote:
> > > The documentation says "allocated id", so I assumed that it was some
> > > internal, implementation-dependent thing, not an index. In that
> > > case we should change the docs instead.
> > 
> > An xarray is a map from integer to pointer. The allocated id the key
> > in this map. The alloc method picks the smallest unused key in a given
> > range.
> > 
> > Alice
> 
> Perhaps we should document it as "allocated key" or "allocated id (key)"
> ?

I think 'allocated key' makes sense.

Alice