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Wong" , mcgrof@kernel.org, gost.dev@samsung.com, hch@lst.de, Pankaj Raghav Subject: Re: [PATCH 0/5] add static huge zero folio support Message-ID: References: <20250804121356.572917-1-kernel@pankajraghav.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 49589160002 X-Stat-Signature: oqngeb39acr8mytpj1wf61t71ps6cahq X-HE-Tag: 1754469075-536602 X-HE-Meta: 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 tKUqBJjt N/RriATGv6eO9i7svsAmhb2nHPrznCG4U38F9ryNbjQ+RNtRsYxFmlsxE8+sMlOjv/K7ZWzEMhGhfF4EnR2n3yflwSQor36E+Tww54dB7BolcHC7xdrXX/vguM/r0SlS2rJ/ZM/+FYXRrN+Kd3hgGEXbIsNdTJVeOS4TMW/8H69pzEJdsunpe7Hz1JQKrLLK3YYt/fYomOOxRJqG6+xg4aLNYuKYvB+HSccTk/OPu02d5G6SJFv0IJUCWWdoKcgukn2Npjsr5O67M7GZsXBqnqJud6VAUIvcmmTjFtMZF3fDFV5RZGo2goRUgkiDrvFmTdggI+S3YeHgHcFx9WNFXu89ypKz5sduYjStOOEORMzjzPYlaaVCtY0cqmw== 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 Tue, Aug 05, 2025 at 09:00:40AM -0700, Dave Hansen wrote: > On 8/4/25 05:13, Pankaj Raghav (Samsung) wrote: > > Add a config option STATIC_HUGE_ZERO_FOLIO that will always allocate > > the huge_zero_folio, and it will never drop the reference. > > "static" is a really odd naming choice for a dynamically allocated > structure. It's one that's never freed, sure, but it's still dynamically > allocated in the first place. That is a fair point. I like the rename you did to PERSISTENT_HUGE_ZERO_FOLIO instead of STATIC_HUGE_ZERO_FOLIO as we still allocate it dynamically. @David, @Lorenzo and @Zi: Does the rename sound good to you? -- Pankaj