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

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Message-ID: <R7bIOWHPBelVxutK-V8lFrSCh_diCIJtJxP-HbOJDV0i2VaKriARSwBRv8TaTevuT06lySKkBALLFJ8S_7q2Qzzr2fH4eceYXYO1_kp1jnI=@protonmail.com>
Date:   Sat, 24 Jun 2023 14:40:23 +0000
From:   Björn Roy Baron <bjorn3_gh@...tonmail.com>
To:     Boqun Feng <boqun.feng@...il.com>
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Gary Guo <gary@...yguo.net>,
        Benno Lossin <benno.lossin@...ton.me>,
        rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rust: alloc: Add realloc and alloc_zeroed to the GlobalAlloc impl

On Friday, June 23rd, 2023 at 19:35, Boqun Feng <boqun.feng@...il.com> wrote:

> On Thu, Jun 22, 2023 at 09:24:40PM +0200, Björn Roy Baron via B4 Relay wrote:
> 
> > From: Björn Roy Baron bjorn3_gh@...tonmail.com
> > 
> > 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
> 
> 
> Nice! Although I think we need to do the simialr size adjustment as:
> 
> 	https://lore.kernel.org/rust-for-linux/20230613164258.3831917-1-boqun.feng@gmail.com/
> 
> so I applied your patch onto my patch and came up with the following:

Right. That patch LGTM.

Cheers,
Björn