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From: Lance Yang <ioworker0@gmail.com>
Date: Fri, 14 Jun 2024 22:41:27 +0800
Message-ID: <CAK1f24m7uHpPa75acP_-hHh5bcStegtQJY_2rDqpKeviUhBdzg@mail.gmail.com>
Subject: Re: [PATCH v8 2/3] mm/rmap: integrate PMD-mapped folio splitting into
 pagewalk loop
To: Zi Yan <ziy@nvidia.com>
Cc: akpm@linux-foundation.org, willy@infradead.org, sj@kernel.org, 
	baolin.wang@linux.alibaba.com, maskray@google.com, ryan.roberts@arm.com, 
	david@redhat.com, 21cnbao@gmail.com, mhocko@suse.com, fengwei.yin@intel.com, 
	zokeefe@google.com, shy828301@gmail.com, xiehuan09@gmail.com, 
	libang.li@antgroup.com, wangkefeng.wang@huawei.com, songmuchun@bytedance.com, 
	peterx@redhat.com, minchan@kernel.org, linux-mm@kvack.org, 
	linux-kernel@vger.kernel.org
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On Fri, Jun 14, 2024 at 10:26=E2=80=AFPM Zi Yan <ziy@nvidia.com> wrote:
>
> On 13 Jun 2024, at 21:51, Lance Yang wrote:
>
> > In preparation for supporting try_to_unmap_one() to unmap PMD-mapped
> > folios, start the pagewalk first, then call split_huge_pmd_address() to
> > split the folio.
> >
> > Suggested-by: David Hildenbrand <david@redhat.com>
> > Suggested-by: Baolin Wang <baolin.wang@linux.alibaba.com>
> > Signed-off-by: Lance Yang <ioworker0@gmail.com>
> > ---
> >  include/linux/huge_mm.h |  6 ++++++
> >  include/linux/rmap.h    | 24 +++++++++++++++++++++++
> >  mm/huge_memory.c        | 42 +++++++++++++++++++++--------------------
> >  mm/rmap.c               | 21 +++++++++++++++------
> >  4 files changed, 67 insertions(+), 26 deletions(-)
>
> Thanks.
>
> Acked-by: Zi Yan <ziy@nvidia.com>

Thanks for taking time to review!
Lance

>
> --
> Best Regards,
> Yan, Zi