linux-kernel - Re: [PATCH -next v8 2/3] rust: gpu: Add GPU buddy allocator bindings

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Message-Id: <DGBO3AS8VHIZ.1UNQTIMO8BGAG@kernel.org>
Date: Wed, 11 Feb 2026 00:23:29 +0100
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Joel Fernandes" <joelagnelf@...dia.com>
Cc: <linux-kernel@...r.kernel.org>, "Maarten Lankhorst"
 <maarten.lankhorst@...ux.intel.com>, "Maxime Ripard" <mripard@...nel.org>,
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Subject: Re: [PATCH -next v8 2/3] rust: gpu: Add GPU buddy allocator
 bindings

On Tue Feb 10, 2026 at 11:06 PM CET, Joel Fernandes wrote:
> I wasn't implying to give reason to go for more allocations, it is about a
> reference to the same allocation that may be required to be shared from multiple
> objects for whatever reason. But again, currently we don't have a use case for that.

Sure, I just mentioned it since returning an Arc instead of an impl PinInit
removes the option for drivers to embed additional driver specific data into the
same allocation, i.e. it might set the wrong incentive.