Re: [PATCH v5 02/10] mm/huge_memory: allow split shmem large folio to any lower order

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To: Zi Yan <ziy@xxxxxxxxxx>, linux-mm@xxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH v5 02/10] mm/huge_memory: allow split shmem large folio to any lower order
From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Date: Wed, 22 Jan 2025 14:44:00 +0800
Cc: Ryan Roberts <ryan.roberts@xxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Yang Shi <yang@xxxxxxxxxxxxxxxxxxxxxx>, Miaohe Lin <linmiaohe@xxxxxxxxxx>, Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>, Yu Zhao <yuzhao@xxxxxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, linux-kselftest@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20250116211042.741543-3-ziy@nvidia.com>
User-agent: Mozilla Thunderbird



On 2025/1/17 05:10, Zi Yan wrote:

Commit 4d684b5f92ba ("mm: shmem: add large folio support for tmpfs") has
added large folio support to shmem. Remove the restriction in
split_huge_page*().


Agree.

Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>


LGTM. Thanks.
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>

References:
- [PATCH v5 00/10] Buddy allocator like folio split
  - From: Zi Yan
- [PATCH v5 02/10] mm/huge_memory: allow split shmem large folio to any lower order
  - From: Zi Yan

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