linux-kernel - Re: [PATCH v2 4/5] rust: maple

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Message-Id: <DC6DICA9SWYI.2XF7QB1FL32YP@kernel.org>
Date: Tue, 19 Aug 2025 13:38:42 +0200
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Alice Ryhl" <aliceryhl@...gle.com>
Cc: "Andrew Morton" <akpm@...ux-foundation.org>, "Liam R. Howlett"
 <Liam.Howlett@...cle.com>, "Lorenzo Stoakes" <lorenzo.stoakes@...cle.com>,
 "Miguel Ojeda" <ojeda@...nel.org>, "Andrew Ballance"
 <andrewjballance@...il.com>, "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>,
 <linux-kernel@...r.kernel.org>, <maple-tree@...ts.infradead.org>,
 <rust-for-linux@...r.kernel.org>, <linux-mm@...ck.org>
Subject: Re: [PATCH v2 4/5] rust: maple_tree: add MapleTreeAlloc

On Tue Aug 19, 2025 at 12:34 PM CEST, Alice Ryhl wrote:
> To support allocation trees, we introduce a new type MapleTreeAlloc for
> the case where the tree is created using MT_FLAGS_ALLOC_RANGE. To ensure
> that you can only call mtree_alloc_range on an allocation tree, we
> restrict thta method to the new MapleTreeAlloc type. However, all
> methods on MapleTree remain accessible to MapleTreeAlloc as allocation
> trees can use the other methods without issues.
>
> Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>

Without the unwrap() calls in the examples,

Reviewed-by: Danilo Krummrich <dakr@...nel.org>