linux-kernel - Re: [v7 00/16] mm: support device-private THP

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Message-ID: <4667dcfb-e02a-44ba-9cca-f197a5aebe4e@nvidia.com>
Date: Tue, 14 Oct 2025 09:51:45 +1100
From: Balbir Singh <balbirs@...dia.com>
To: Matthew Brost <matthew.brost@...el.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-mm@...ck.org,
 David Hildenbrand <david@...hat.com>, Zi Yan <ziy@...dia.com>,
 Joshua Hahn <joshua.hahnjy@...il.com>, Rakie Kim <rakie.kim@...com>,
 Byungchul Park <byungchul@...com>, Gregory Price <gourry@...rry.net>,
 Ying Huang <ying.huang@...ux.alibaba.com>,
 Alistair Popple <apopple@...dia.com>, Oscar Salvador <osalvador@...e.de>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 Baolin Wang <baolin.wang@...ux.alibaba.com>,
 "Liam R. Howlett" <Liam.Howlett@...cle.com>, Nico Pache <npache@...hat.com>,
 Ryan Roberts <ryan.roberts@....com>, Dev Jain <dev.jain@....com>,
 Barry Song <baohua@...nel.org>, Lyude Paul <lyude@...hat.com>,
 Danilo Krummrich <dakr@...nel.org>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>, Ralph Campbell <rcampbell@...dia.com>,
 Mika Penttilä <mpenttil@...hat.com>,
 Francois Dugast <francois.dugast@...el.com>
Subject: Re: [v7 00/16] mm: support device-private THP

On 10/9/25 21:33, Matthew Brost wrote:
> On Thu, Oct 09, 2025 at 02:26:30PM +1100, Balbir Singh wrote:
>> On 10/9/25 14:17, Andrew Morton wrote:
>>> On Wed,  1 Oct 2025 16:56:51 +1000 Balbir Singh <balbirs@...dia.com> wrote:
>>>
>>>> This patch series introduces support for Transparent Huge Page
>>>> (THP) migration in zone device-private memory. The implementation enables
>>>> efficient migration of large folios between system memory and
>>>> device-private memory
>>>
>>> Lots of chatter for the v6 series, but none for v7.  I hope that's a
>>> good sign.
>>>
>>
>> I hope so too, I've tried to address the comments in v6.
>>
> 
> Circling back to this series, we will itegrate and test this version.
> 

Look forward to your feedback

>>>>
>>>> HMM support for large folios, patches are already posted and in
>>>> mm-unstable.
>>>
>>> Not any more.  Which series was this?
>>
>> Not a series, but a patch
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?id=10b9feee2d0dc81c44f7a9e69e7a894e33f8c4a1
> 
> I think this [1] means this patch is Linus's tree?
> 
> Matt
> 
> [1] https://github.com/torvalds/linux/commit/10b9feee2d0dc81c44f7a9e69e7a894e33f8c4a1 
> 

Thanks!
Balbir