From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Tal Zussman <tz2294@columbia.edu>
Cc: Zi Yan <ziy@nvidia.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Muchun Song <muchun.song@linux.dev>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Nico Pache <nico.pache@linux.dev>,
Ryan Roberts <ryan.roberts@arm.com>, Dev Jain <dev.jain@arm.com>,
Barry Song <baohua@kernel.org>, Lance Yang <lance.yang@linux.dev>,
Usama Arif <usama.arif@linux.dev>,
Gregory Price <gourry@gourry.net>,
Ying Huang <ying.huang@linux.alibaba.com>,
Alistair Popple <apopple@nvidia.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Qi Zheng <qi.zheng@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
Kairui Song <kasong@tencent.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Jaegeuk Kim <jaegeuk@kernel.org>, Chao Yu <chao@kernel.org>,
linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [PATCH v3 06/14] f2fs: stop using PG_private
Date: Thu, 10 Sep 2026 09:35:32 +0200 [thread overview]
Message-ID: <927c0ec3-4183-4355-9269-721d79f4983c@kernel.org> (raw)
In-Reply-To: <3dfab5df-c205-4853-bf48-86351a02b4e2@columbia.edu>
On 9/9/26 19:47, Tal Zussman wrote:
> On 9/9/26 3:48 PM, David Hildenbrand (Arm) wrote:
>> On 9/8/26 20:20, Tal Zussman wrote:
>>>
>>> I have a WIP series of ~30 patches converting much of the remaining page
>>> users in f2fs (including the below) to folios. Still have to do some
>>> testing and clean it up, but hoping to send it out in the next couple of
>>> weeks (in the hopes of eliminating some more folio_compat.c functions by
>>> next cycle...)
>>
>> Indeed best to wait a bit before flooding -mm even more, it's rather a lot at
>> this point.
>>
>> In the context of this series, it would be great if you could review whether the
>> diff I proposed would get the job done, thanks!
>>
>
> What it changes looks good, but I would go a little further.
Thanks!
>
> There are only two more users of page_private_gcing(), which pass fio->page.
> Those could easily be converted to folio_test_f2fs_gcing() by passing fio->folio,
> which is in a union with fio->page. That would let you delete the
> page_private_##name() implementation in PAGE_PRIVATE_GET_FUNC() as well and just
> remove the entire family. At that point PAGE_PRIVATE_{GET,SET,CLEAR}_FUNC()
> could be renamed to something like F2FS_FOLIO_PRIVATE_{GET,SET,CLEAR}_FUNC() and
> all of this cruft is gone and folio-based, with no more f2fs use of page_private()
> either.
>
> The renaming could be done as a later step, but I would get rid of the accessors
> as well in one swoop.
Yes, either as part of the same patch or as a separate patch. Zi, can you take
care of that? Thanks!
--
Cheers,
David
next prev parent reply other threads:[~2026-09-10 7:35 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-08 2:56 [PATCH v3 00/14] Remove PG_private by using page/folio->private checks instead Zi Yan
2026-09-08 2:56 ` [PATCH v3 01/14] mm/zsmalloc: replace PG_private with pointer comparison Zi Yan
2026-09-08 4:11 ` Sergey Senozhatsky
2026-09-08 15:07 ` David Hildenbrand (Arm)
2026-09-08 15:21 ` Zi Yan
2026-09-09 14:07 ` David Hildenbrand (Arm)
2026-09-08 2:56 ` [PATCH v3 02/14] perf/ring_buffer: stop using PG_private as AUX page high-order marker Zi Yan
2026-09-08 15:09 ` David Hildenbrand (Arm)
2026-09-08 2:56 ` [PATCH v3 03/14] xen/grant-table: stop setting PG_private on pages for grant mapping Zi Yan
2026-09-08 15:16 ` David Hildenbrand (Arm)
2026-09-08 15:44 ` Zi Yan
2026-09-08 2:56 ` [PATCH v3 04/14] fscrypt: stop setting PG_private on bounce page Zi Yan
2026-09-08 15:16 ` David Hildenbrand (Arm)
2026-09-08 2:56 ` [PATCH v3 05/14] mm/hugetlb: use direct assignment instead of folio_change_private() Zi Yan
2026-09-08 15:26 ` David Hildenbrand (Arm)
2026-09-08 15:28 ` Zi Yan
2026-09-08 2:56 ` [PATCH v3 06/14] f2fs: stop using PG_private Zi Yan
2026-09-08 15:47 ` David Hildenbrand (Arm)
2026-09-08 18:20 ` Tal Zussman
2026-09-09 12:48 ` David Hildenbrand (Arm)
2026-09-09 17:47 ` Tal Zussman
2026-09-10 7:35 ` David Hildenbrand (Arm) [this message]
2026-09-10 12:21 ` Zi Yan
2026-09-10 21:11 ` Zi Yan
2026-09-10 2:41 ` Chao Yu
2026-09-10 7:34 ` David Hildenbrand (Arm)
2026-09-10 8:43 ` Chao Yu
2026-09-10 9:15 ` David Hildenbrand (Arm)
2026-09-10 14:15 ` Chao Yu
2026-09-08 2:56 ` [PATCH v3 07/14] erofs: mm/pagemap: add readahead_folio_last() to avoid folio->private Zi Yan
2026-09-08 16:04 ` David Hildenbrand (Arm)
2026-09-08 17:05 ` Zi Yan
2026-09-09 14:10 ` David Hildenbrand (Arm)
2026-09-08 2:56 ` [PATCH v3 08/14] erofs: use folio_attach/detach_private() instead of direct assignment Zi Yan
2026-09-08 16:13 ` David Hildenbrand (Arm)
2026-09-08 17:19 ` Zi Yan
2026-09-09 13:27 ` David Hildenbrand (Arm)
2026-09-10 2:06 ` Zi Yan
2026-09-08 2:56 ` [PATCH v3 09/14] mm/page-flags: check page/folio->private instead of PG_private Zi Yan
2026-09-08 16:56 ` David Hildenbrand (Arm)
2026-09-10 2:08 ` Zi Yan
2026-09-08 2:56 ` [PATCH v3 10/14] mm/page-flags: introduce folio_test_fs_private() Zi Yan
2026-09-08 16:59 ` David Hildenbrand (Arm)
2026-09-08 17:22 ` Zi Yan
2026-09-08 2:56 ` [PATCH v3 11/14] treewide: remove folio_set/clear_private() Zi Yan
2026-09-08 17:01 ` David Hildenbrand (Arm)
2026-09-08 17:22 ` Zi Yan
2026-09-08 2:56 ` [PATCH v3 12/14] treewide: replace PagePrivate() with page_private() Zi Yan
2026-09-09 14:18 ` David Hildenbrand (Arm)
2026-09-09 14:23 ` David Hildenbrand (Arm)
2026-09-10 2:09 ` Zi Yan
2026-09-08 2:56 ` [PATCH v3 13/14] treewide: adjust comments on PagePrivate and PG_private Zi Yan
2026-09-09 14:20 ` David Hildenbrand (Arm)
2026-09-09 14:27 ` David Hildenbrand (Arm)
2026-09-10 2:12 ` Zi Yan
2026-09-08 2:56 ` [PATCH v3 14/14] mm/page-flags: remove PG_private Zi Yan
2026-09-09 14:31 ` David Hildenbrand (Arm)
2026-09-09 14:48 ` Zi Yan
2026-09-09 14:50 ` David Hildenbrand (Arm)
2026-09-09 14:51 ` Zi Yan
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