From: Lance Yang <lance.yang@linux.dev>
To: Zi Yan <ziy@nvidia.com>
Cc: Chris Mason <clm@fb.com>, David Sterba <dsterba@suse.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Song Liu <songliubraving@fb.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Nico Pache <npache@redhat.com>,
Ryan Roberts <ryan.roberts@arm.com>, Dev Jain <dev.jain@arm.com>,
Barry Song <baohua@kernel.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>, Shuah Khan <shuah@kernel.org>,
linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-kselftest@vger.kernel.org,
"Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: Re: [PATCH v1 03/10] mm: fs: remove filemap_nr_thps*() functions and their users
Date: Fri, 27 Mar 2026 17:32:40 +0800 [thread overview]
Message-ID: <710a9152-83ac-4d5d-a74d-ef0653596bf8@linux.dev> (raw)
In-Reply-To: <20260327014255.2058916-4-ziy@nvidia.com>
On 2026/3/27 09:42, Zi Yan wrote:
> They are used by READ_ONLY_THP_FOR_FS to handle writes to FSes without
> large folio support, so that read-only THPs created in these FSes are not
> seen by the FSes when the underlying fd becomes writable. Now read-only PMD
> THPs only appear in a FS with large folio support and the supported orders
> include PMD_ORDRE.
>
> Signed-off-by: Zi Yan <ziy@nvidia.com>
> ---
LGTM, feel free to add:
Reviewed-by: Lance Yang <lance.yang@linux.dev>
next prev parent reply other threads:[~2026-03-27 9:33 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-27 1:42 [PATCH v1 00/10] Remove READ_ONLY_THP_FOR_FS Kconfig Zi Yan
2026-03-27 1:42 ` [PATCH v1 01/10] mm: remove READ_ONLY_THP_FOR_FS Kconfig option Zi Yan
2026-03-27 11:45 ` Lorenzo Stoakes (Oracle)
2026-03-27 13:33 ` David Hildenbrand (Arm)
2026-03-27 14:39 ` Zi Yan
2026-03-27 1:42 ` [PATCH v1 02/10] mm/khugepaged: remove READ_ONLY_THP_FOR_FS check Zi Yan
2026-03-27 7:29 ` Lance Yang
2026-03-27 7:35 ` Lance Yang
2026-03-27 9:44 ` Baolin Wang
2026-03-27 12:02 ` Lorenzo Stoakes (Oracle)
2026-03-27 13:45 ` Baolin Wang
2026-03-27 14:12 ` Lorenzo Stoakes (Oracle)
2026-03-27 14:26 ` Baolin Wang
2026-03-27 14:31 ` Lorenzo Stoakes (Oracle)
2026-03-27 15:00 ` Zi Yan
2026-03-27 16:22 ` Lance Yang
2026-03-27 16:30 ` Zi Yan
2026-03-28 2:29 ` Baolin Wang
2026-03-27 12:07 ` Lorenzo Stoakes (Oracle)
2026-03-27 14:15 ` Lorenzo Stoakes (Oracle)
2026-03-27 14:46 ` Zi Yan
2026-03-27 13:37 ` David Hildenbrand (Arm)
2026-03-27 14:43 ` Zi Yan
2026-03-27 1:42 ` [PATCH v1 03/10] mm: fs: remove filemap_nr_thps*() functions and their users Zi Yan
2026-03-27 9:32 ` Lance Yang [this message]
2026-03-27 12:23 ` Lorenzo Stoakes (Oracle)
2026-03-27 13:58 ` David Hildenbrand (Arm)
2026-03-27 14:23 ` Lorenzo Stoakes (Oracle)
2026-03-27 15:05 ` Zi Yan
2026-04-01 14:35 ` David Hildenbrand (Arm)
2026-04-01 15:32 ` Zi Yan
2026-04-01 19:15 ` David Hildenbrand (Arm)
2026-04-01 20:33 ` Zi Yan
2026-04-02 14:35 ` David Hildenbrand (Arm)
2026-04-02 14:38 ` Zi Yan
2026-03-27 1:42 ` [PATCH v1 04/10] fs: remove nr_thps from struct address_space Zi Yan
2026-03-27 12:29 ` Lorenzo Stoakes (Oracle)
2026-03-27 14:00 ` David Hildenbrand (Arm)
2026-03-30 3:06 ` Lance Yang
2026-03-27 1:42 ` [PATCH v1 05/10] mm/huge_memory: remove READ_ONLY_THP_FOR_FS from file_thp_enabled() Zi Yan
2026-03-27 12:42 ` Lorenzo Stoakes (Oracle)
2026-03-27 15:12 ` Zi Yan
2026-03-27 15:29 ` Lorenzo Stoakes (Oracle)
2026-03-27 15:43 ` Zi Yan
2026-03-27 16:08 ` Lorenzo Stoakes (Oracle)
2026-03-27 16:12 ` Zi Yan
2026-03-27 16:14 ` Lorenzo Stoakes (Oracle)
2026-03-29 4:07 ` WANG Rui
2026-03-30 11:17 ` Lorenzo Stoakes (Oracle)
2026-03-30 14:35 ` Zi Yan
2026-03-30 16:09 ` WANG Rui
2026-03-30 16:19 ` Matthew Wilcox
2026-04-01 14:38 ` David Hildenbrand (Arm)
2026-04-01 14:53 ` Darrick J. Wong
2026-04-10 15:06 ` Andres Freund
2026-04-10 15:18 ` Zi Yan
2026-04-10 15:38 ` Andres Freund
2026-04-13 8:46 ` Jan Kara
2026-03-27 1:42 ` [PATCH v1 06/10] mm/huge_memory: remove folio split check for READ_ONLY_THP_FOR_FS Zi Yan
2026-03-27 12:50 ` Lorenzo Stoakes (Oracle)
2026-03-30 9:15 ` Lance Yang
2026-03-27 1:42 ` [PATCH v1 07/10] mm/truncate: use folio_split() in truncate_inode_partial_folio() Zi Yan
2026-03-27 3:33 ` Lance Yang
2026-03-27 13:05 ` Lorenzo Stoakes (Oracle)
2026-03-27 15:35 ` Zi Yan
2026-03-28 9:54 ` kernel test robot
2026-03-28 9:54 ` kernel test robot
2026-03-27 1:42 ` [PATCH v1 08/10] fs/btrfs: remove a comment referring to READ_ONLY_THP_FOR_FS Zi Yan
2026-03-27 13:05 ` Lorenzo Stoakes (Oracle)
2026-03-27 1:42 ` [PATCH v1 09/10] selftests/mm: remove READ_ONLY_THP_FOR_FS in khugepaged Zi Yan
2026-03-27 13:05 ` Lorenzo Stoakes (Oracle)
2026-03-27 1:42 ` [PATCH v1 10/10] selftests/mm: remove READ_ONLY_THP_FOR_FS from comments in guard-regions Zi Yan
2026-03-27 13:06 ` Lorenzo Stoakes (Oracle)
2026-03-27 13:46 ` [PATCH v1 00/10] Remove READ_ONLY_THP_FOR_FS Kconfig David Hildenbrand (Arm)
2026-03-27 14:26 ` Zi Yan
2026-03-27 14:27 ` Lorenzo Stoakes (Oracle)
2026-03-27 14:30 ` Zi Yan
2026-04-05 17:38 ` Nico Pache
2026-04-06 1:59 ` Zi Yan
2026-04-06 16:17 ` Nico Pache
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