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Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Jason Xing , Yushan Zhou , "Masami Hiramatsu (Google)" , Vlastimil Babka , Christoph Lameter , David Rientjes , Roman Gushchin , Harry Yoo , Christian Koenig , Huang Rui , Matthew Auld , Matthew Brost , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jens Axboe , Christian Brauner , K Prateek Nayak , Davidlohr Bueso , Eric Sandeen , Greg Kroah-Hartman , Arve =?iso-8859-1?B?SGr4bm5lduVn?= , Todd Kjos , Carlos Llamas , Alice Ryhl , Damien Le Moal , Johannes Thumshirn , Dennis Zhou , Tejun Heo , Gao Xiang , Yue Hu , Jeffle Xu , Sandeep Dhavale , Hongbo Li , Chunhai Guo Subject: Re: [PATCH v1 00/11] Zero page->private when freeing pages Message-ID: References: <20260223032641.1859381-1-ziy@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Queue-Id: 24ADB40014 X-Stat-Signature: arn8uboq9ruwipgams31k99k84ayhhhw X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1771855424-108287 X-HE-Meta: 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 osmd/7xE 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Feb 23, 2026 at 09:00:57AM -0500, Zi Yan wrote: > > awkward interface. Don't do that. > > Page allocator hands the user a zero ->private. I think it is reasonable > to require the user to return a zero ->private. Restoring things back > to their original states is a common standard, isn't it? And most of > users do that. No other relevant interface requires private data pointers, as that would be silly and cause tons of bugs.