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

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Message-ID: <379d3d5c-b730-4a5d-9c71-d34d23472621@suse.cz>
Date: Fri, 25 Jul 2025 10:26:38 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: Alice Ryhl <aliceryhl@...gle.com>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: Vitaly Wool <vitaly.wool@...sulko.se>, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org, Uladzislau Rezki <urezki@...il.com>,
 Danilo Krummrich <dakr@...nel.org>, 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 7/25/25 09:14, Alice Ryhl wrote:
> On Thu, Jul 24, 2025 at 10:54 PM Andrew Morton
> <akpm@...ux-foundation.org> wrote:
>>
>> 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?
> 
> I think it would make sense for this to land through mm.git, so yes
> that sounds like a good plan.

Ack.

> Alice