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

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Message-ID: <aOePfeoDuRW+prFq@lstrano-desk.jf.intel.com>
Date: Thu, 9 Oct 2025 03:33:33 -0700
From: Matthew Brost <matthew.brost@...el.com>
To: Balbir Singh <balbirs@...dia.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 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.

> >>
> >> 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