From: "David Hildenbrand (Arm)" <david@kernel.org>
To: 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>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Song Liu <song@kernel.org>, Yu Kuai <yukuai@fygo.io>,
Ilya Dryomov <idryomov@gmail.com>,
Alex Markuze <amarkuze@redhat.com>,
Viacheslav Dubeyko <slava@dubeyko.com>,
Li Nan <magiclinan@didiglobal.com>, Xiao Ni <xiao@kernel.org>,
linux-raid@vger.kernel.org, ceph-devel@vger.kernel.org
Subject: Re: [PATCH v3 12/14] treewide: replace PagePrivate() with page_private()
Date: Wed, 9 Sep 2026 16:23:13 +0200 [thread overview]
Message-ID: <fb37c097-4c12-4eb8-9739-e3513127eb35@kernel.org> (raw)
In-Reply-To: <afc196d8-8e17-4cdd-a6be-94b8816f2a57@kernel.org>
On 9/9/26 16:18, David Hildenbrand (Arm) wrote:
> On 9/8/26 04:56, Zi Yan wrote:
>> PG_private is going to be removed and its check is replaced by checking
>> page->private != NULL.
>>
>
> You should likely clarify here that, for these users (the pages they deal with),
> PG_private is set if and only if page->private != NULL. Consequently, there is
> no functional change.
Ah, in previous patch:
+static __always_inline int PagePrivate(const struct page *page)
+{
+ return !!page->private;
+}
So this is not about PG_private *at all* :) Best to clarify that.
--
Cheers,
David
next prev parent reply other threads:[~2026-09-09 14:23 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)
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) [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=fb37c097-4c12-4eb8-9739-e3513127eb35@kernel.org \
--to=david@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=amarkuze@redhat.com \
--cc=apopple@nvidia.com \
--cc=baohua@kernel.org \
--cc=baolin.wang@linux.alibaba.com \
--cc=ceph-devel@vger.kernel.org \
--cc=dev.jain@arm.com \
--cc=gourry@gourry.net \
--cc=hannes@cmpxchg.org \
--cc=idryomov@gmail.com \
--cc=kasong@tencent.com \
--cc=lance.yang@linux.dev \
--cc=liam@infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-raid@vger.kernel.org \
--cc=ljs@kernel.org \
--cc=magiclinan@didiglobal.com \
--cc=mhocko@suse.com \
--cc=muchun.song@linux.dev \
--cc=nico.pache@linux.dev \
--cc=qi.zheng@linux.dev \
--cc=rppt@kernel.org \
--cc=ryan.roberts@arm.com \
--cc=shakeel.butt@linux.dev \
--cc=slava@dubeyko.com \
--cc=song@kernel.org \
--cc=surenb@google.com \
--cc=usama.arif@linux.dev \
--cc=vbabka@kernel.org \
--cc=willy@infradead.org \
--cc=xiao@kernel.org \
--cc=ying.huang@linux.alibaba.com \
--cc=yukuai@fygo.io \
--cc=ziy@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®