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: 9+ 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 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
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