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From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Danilo Krummrich" <dakr@kernel.org>, <ojeda@kernel.org>,
	<alex.gaynor@gmail.com>, <boqun.feng@gmail.com>,
	<gary@garyguo.net>, <bjorn3_gh@protonmail.com>,
	<lossin@kernel.org>, <a.hindborg@kernel.org>,
	<aliceryhl@google.com>, <tmgross@umich.edu>,
	<abdiel.janulgue@gmail.com>
Cc: <rust-for-linux@vger.kernel.org>
Subject: Re: [PATCH] rust: page: implement BorrowedPage
Date: Tue, 05 Aug 2025 21:15:10 +0900	[thread overview]
Message-ID: <DBUHIMP0I1TB.1DYCBGC1EXU2R@nvidia.com> (raw)
In-Reply-To: <20250804195023.150399-1-dakr@kernel.org>

On Tue Aug 5, 2025 at 4:50 AM JST, Danilo Krummrich wrote:
> Currently, a Page always owns the underlying struct page.
>
> However, sometimes a struct page may be owned by some other entity, e.g.
> a vmalloc allocation.
>
> Hence, introduce BorrowedPage to support such cases, until the Ownable
> solution lands.
>
> This is required by the scatterlist abstractions.
>
> Signed-off-by: Danilo Krummrich <dakr@kernel.org>

Thanks, this fills quite a gap for the scatterlist patchset!

Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>


  parent reply	other threads:[~2025-08-05 12:15 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-04 19:50 [PATCH] rust: page: implement BorrowedPage Danilo Krummrich
2025-08-04 20:02 ` Benno Lossin
2025-08-04 20:08   ` Danilo Krummrich
2025-08-05 12:15 ` Alexandre Courbot [this message]
2025-08-05 12:18 ` Alice Ryhl
2025-08-05 12:30 ` Daniel Almeida
2025-08-05 12:53   ` Danilo Krummrich
2025-08-05 13:20     ` Danilo Krummrich
2025-08-05 13:29     ` Daniel Almeida
2025-08-05 17:07       ` Andreas Hindborg
2025-08-05 17:18         ` Danilo Krummrich

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