linux-kernel - Re: [PATCH v2] rust: alloc: Add realloc and alloc

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Message-ID: <CANiq72kaoCNCjEVDDrrEY7QJ-rAScDCAuVsSw-oimL9ZdGOXug@mail.gmail.com>
Date:   Sat, 29 Jul 2023 16:01:50 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Boqun Feng <boqun.feng@...il.com>
Cc:     rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        Martin Rodriguez Reboredo <yakoyoku@...il.com>
Subject: Re: [PATCH v2] rust: alloc: Add realloc and alloc_zeroed to the
 GlobalAlloc impl

On Mon, Jun 26, 2023 at 1:25 AM Boqun Feng <boqun.feng@...il.com> wrote:
>
> While there are default impls for these methods, using the respective C
> api's is faster. Currently neither the existing nor these new
> GlobalAlloc method implementations are actually called. Instead the
> __rust_* function defined below the GlobalAlloc impl are used. With
> rustc 1.71 these functions will be gone and all allocation calls will go
> through the GlobalAlloc implementation.
>
> Link: https://github.com/Rust-for-Linux/linux/issues/68
> Signed-off-by: Björn Roy Baron <bjorn3_gh@...tonmail.com>
> [boqun: add size adjustment for alignment requirement]
> Signed-off-by: Boqun Feng <boqun.feng@...il.com>

Applied to `rust-next`, thanks! I will use it as a base for the 1.71 upgrade.

Cheers,
Miguel