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From: Alice Ryhl <aliceryhl@google.com>
To: Matt Gilbride <mattgilbride@google.com>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Wedson Almeida Filho" <wedsonaf@gmail.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Gary Guo" <gary@garyguo.net>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <benno.lossin@proton.me>,
	"Andreas Hindborg" <a.hindborg@samsung.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Arve Hjønnevåg" <arve@android.com>,
	"Todd Kjos" <tkjos@android.com>,
	"Martijn Coenen" <maco@android.com>,
	"Joel Fernandes" <joel@joelfernandes.org>,
	"Carlos Llamas" <cmllamas@google.com>,
	"Suren Baghdasaryan" <surenb@google.com>,
	"Christian Brauner" <brauner@kernel.org>,
	"Rob Landley" <rob@landley.net>,
	"Davidlohr Bueso" <dave@stgolabs.net>,
	"Michel Lespinasse" <michel@lespinasse.org>,
	rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 1/6] rust: kernel: add `drop_contents` to `BoxExt`
Date: Tue, 23 Jul 2024 11:15:25 +0200	[thread overview]
Message-ID: <CAH5fLggtbe0kjA-Wz4mi66MCLLczaC0MfyAc9S3xw6tQfoXw4Q@mail.gmail.com> (raw)
In-Reply-To: <20240711-b4-rbtree-v6-1-14bef1a8cdba@google.com>

On Thu, Jul 11, 2024 at 6:21 PM Matt Gilbride <mattgilbride@google.com> wrote:
>
> From: Benno Lossin <benno.lossin@proton.me>
>
> Sometimes (see [1]) it is necessary to drop the value inside of a
> `Box<T>`, but retain the allocation. For example to reuse the allocation
> in the future.
> Introduce a new function `drop_contents` that turns a `Box<T>` into
> `Box<MaybeUninit<T>>` by dropping the value.
>
> Signed-off-by: Benno Lossin <benno.lossin@proton.me>
> Link: https://lore.kernel.org/rust-for-linux/20240418-b4-rbtree-v3-5-323e134390ce@google.com/ [1]

Reviewed-by: Alice Ryhl <aliceryhl@google.com>

  reply	other threads:[~2024-07-23  9:15 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-11 16:20 [PATCH v6 0/6] Red-black tree abstraction needed by Rust Binder Matt Gilbride
2024-07-11 16:20 ` [PATCH v6 1/6] rust: kernel: add `drop_contents` to `BoxExt` Matt Gilbride
2024-07-23  9:15   ` Alice Ryhl [this message]
2024-07-31 20:02   ` Gary Guo
2024-07-31 20:47     ` Benno Lossin
2024-08-03 12:24       ` Miguel Ojeda
2024-07-11 16:20 ` [PATCH v6 2/6] rust: rbtree: add red-black tree implementation backed by the C version Matt Gilbride
2024-07-11 16:20 ` [PATCH v6 3/6] rust: rbtree: add iterator Matt Gilbride
2024-07-11 16:21 ` [PATCH v6 4/6] rust: rbtree: add mutable iterator Matt Gilbride
2024-07-11 16:21 ` [PATCH v6 5/6] rust: rbtree: add `RBTreeCursor` Matt Gilbride
2024-07-11 16:21 ` [PATCH v6 6/6] rust: rbtree: add `RBTree::entry` Matt Gilbride

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