linux-kernel - Re: [PATCH v13 0/4] support large align and nid in Rust allocators

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Message-Id: <20250724135449.2cb6457b90926cce1b903481@linux-foundation.org>
Date: Thu, 24 Jul 2025 13:54:49 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Vitaly Wool <vitaly.wool@...sulko.se>
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, Uladzislau Rezki
 <urezki@...il.com>, Danilo Krummrich <dakr@...nel.org>, Alice Ryhl
 <aliceryhl@...gle.com>, Vlastimil Babka <vbabka@...e.cz>,
 rust-for-linux@...r.kernel.org, Lorenzo Stoakes
 <lorenzo.stoakes@...cle.com>, "Liam R . Howlett" <Liam.Howlett@...cle.com>,
 Kent Overstreet <kent.overstreet@...ux.dev>,
 linux-bcachefs@...r.kernel.org, bpf@...r.kernel.org, Herbert Xu
 <herbert@...dor.apana.org.au>, Jann Horn <jannh@...gle.com>, Pedro Falcato
 <pfalcato@...e.de>
Subject: Re: [PATCH v13 0/4] support large align and nid in Rust allocators

On Tue, 15 Jul 2025 15:56:45 +0200 Vitaly Wool <vitaly.wool@...sulko.se> wrote:

> The coming patches provide the ability for Rust allocators to set
> NUMA node and large alignment.
> 
> ...
>
>  fs/bcachefs/darray.c           |    2 -
>  fs/bcachefs/util.h             |    2 -
>  include/linux/bpfptr.h         |    2 -
>  include/linux/slab.h           |   39 ++++++++++++++++++++++---------------
>  include/linux/vmalloc.h        |   12 ++++++++---
>  lib/rhashtable.c               |    4 +--
>  mm/nommu.c                     |    3 +-
>  mm/slub.c                      |   64 +++++++++++++++++++++++++++++++++++++++++--------------------
>  mm/vmalloc.c                   |   29 ++++++++++++++++++++++-----
>  rust/helpers/slab.c            |   10 +++++----
>  rust/helpers/vmalloc.c         |    5 ++--
>  rust/kernel/alloc.rs           |   54 ++++++++++++++++++++++++++++++++++++++++++++++-----
>  rust/kernel/alloc/allocator.rs |   49 +++++++++++++++++++++-------------------------
>  rust/kernel/alloc/kbox.rs      |    4 +--
>  rust/kernel/alloc/kvec.rs      |   11 ++++++++--
>  15 files changed, 200 insertions(+), 90 deletions(-)

I assume we're looking for a merge into mm.git?

We're at -rc7 so let's target 6.17.  Please resend around the end of
the upcoming merge window?