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Date: Mon, 3 Aug 2026 11:40:20 -0700
From: Eric Biggers <ebiggers@kernel.org>
To: Zi Yan <ziy@nvidia.com>
Cc: David Hildenbrand <david@kernel.org>,
	"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, "Theodore Y. Ts'o" <tytso@mit.edu>,
	Jaegeuk Kim <jaegeuk@kernel.org>, linux-fscrypt@vger.kernel.org
Subject: Re: [PATCH RFC 04/14] fs/crypto: stop setting PG_private on bounce
 page
Message-ID: <20260803184020.GC2062@quark>
References: <20260731-remove-pg_private-v1-0-142c97ba3562@nvidia.com>
 <20260731-remove-pg_private-v1-4-142c97ba3562@nvidia.com>
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In-Reply-To: <20260731-remove-pg_private-v1-4-142c97ba3562@nvidia.com>

On Fri, Jul 31, 2026 at 10:13:27PM -0400, Zi Yan wrote:
> The point to a plaintext folio is stored in page->private and cannot be
> NULL, making PG_private redundant.
> 
> It prepares for a future commit that remove PG_private.
> 
> No funtional change intended.
> 
> Assisted-by: Claude:claude-opus-4-8
> Assisted-by: Codex:gpt-5
> Signed-off-by: Zi Yan <ziy@nvidia.com>
> To: Eric Biggers <ebiggers@kernel.org>
> To: "Theodore Y. Ts'o" <tytso@mit.edu>
> To: Jaegeuk Kim <jaegeuk@kernel.org>
> Cc: linux-fscrypt@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org

Acked-by: Eric Biggers <ebiggers@kernel.org>

- Eric