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From: "Danilo Krummrich" <dakr@kernel.org>
To: "Alice Ryhl" <aliceryhl@google.com>
Cc: <lorenzo.stoakes@oracle.com>, <vbabka@suse.cz>,
	<Liam.Howlett@oracle.com>, <urezki@gmail.com>, <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>, <tmgross@umich.edu>,
	<abdiel.janulgue@gmail.com>, <acourbot@nvidia.com>,
	<rust-for-linux@vger.kernel.org>
Subject: Re: [PATCH v4 3/7] rust: alloc: implement VmallocPageIter
Date: Tue, 19 Aug 2025 14:02:58 +0200	[thread overview]
Message-ID: <DC6E0X5AIJPA.9B5HPG419G4O@kernel.org> (raw)
In-Reply-To: <aKRknP8HT-BrPok4@google.com>

On Tue Aug 19, 2025 at 1:48 PM CEST, Alice Ryhl wrote:
> On Thu, Aug 14, 2025 at 11:33:42AM +0200, Danilo Krummrich wrote:
>> +impl<'a> VmallocPageIter<'a> {
>> +    /// Creates a new [`VmallocPageIter`] instance.
>> +    ///
>> +    /// # Safety
>> +    ///
>> +    /// - `buf` must be a pointer to the beginning of a [`Vmalloc`] allocation.
>
> It has to be the beginning of the vmalloc allocation?

Technically, it would probably be enough if the pointer is a PAGE_SIZE aligned
pointer within a Vmalloc allocation and `size` is the remaining size, etc.

I can relax the requirement accordingly.

  reply	other threads:[~2025-08-19 12:03 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-14  9:33 [PATCH v4 0/7] BorrowedPage, AsPageIter and VmallocPageIter Danilo Krummrich
2025-08-14  9:33 ` [PATCH v4 1/7] rust: page: implement BorrowedPage Danilo Krummrich
2025-08-19 12:42   ` Daniel Almeida
2025-08-14  9:33 ` [PATCH v4 2/7] rust: alloc: vmalloc: implement Vmalloc::to_page() Danilo Krummrich
2025-08-19 12:46   ` Daniel Almeida
2025-08-14  9:33 ` [PATCH v4 3/7] rust: alloc: implement VmallocPageIter Danilo Krummrich
2025-08-18 12:02   ` Alexandre Courbot
2025-08-19 11:48   ` Alice Ryhl
2025-08-19 12:02     ` Danilo Krummrich [this message]
2025-08-19 12:58   ` Daniel Almeida
2025-08-14  9:33 ` [PATCH v4 4/7] rust: page: define trait AsPageIter Danilo Krummrich
2025-08-18 12:06   ` Alexandre Courbot
2025-08-18 12:07     ` Danilo Krummrich
2025-08-18 12:14       ` Alexandre Courbot
2025-08-18 12:18         ` Danilo Krummrich
2025-08-19 11:49   ` Alice Ryhl
2025-08-19 13:08   ` Daniel Almeida
2025-08-19 13:16     ` Danilo Krummrich
2025-08-14  9:33 ` [PATCH v4 5/7] rust: alloc: kbox: implement AsPageIter for VBox Danilo Krummrich
2025-08-18 12:07   ` Alexandre Courbot
2025-08-19 11:50   ` Alice Ryhl
2025-08-19 12:06     ` Danilo Krummrich
2025-08-14  9:33 ` [PATCH v4 6/7] rust: alloc: layout: implement ArrayLayout::size() Danilo Krummrich
2025-08-14  9:33 ` [PATCH v4 7/7] rust: alloc: kvec: implement AsPageIter for VVec Danilo Krummrich
2025-08-18 12:09   ` Alexandre Courbot
2025-08-19 11:51   ` Alice Ryhl
2025-08-19 13:11   ` Daniel Almeida
2025-08-18 12:11 ` [PATCH v4 0/7] BorrowedPage, AsPageIter and VmallocPageIter Alexandre Courbot

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