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imf19.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=lst.de; spf=pass (imf19.hostedemail.com: domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1748840074; a=rsa-sha256; cv=none; b=5bI6mAxY6KetmB6e6CQgHgUg+T1XSgo0hBXs62bIUPr3zee4GcPCVsnnga0quVtq4FtZLR tHrh7gVXxz4dkrEnF+P0dwrfn8qHNNxF2Vf1Mo7GpCm7Epsi78a0YbAuL8VGSxdC4BAJjz QxqR8afsew1uCv9iO6rTXweDhu+g1y4= Received: by verein.lst.de (Postfix, from userid 2407) id E076968C7B; Mon, 2 Jun 2025 06:54:27 +0200 (CEST) Date: Mon, 2 Jun 2025 06:54:27 +0200 From: Christoph Hellwig To: Alistair Popple Cc: linux-mm@kvack.org, gerald.schaefer@linux.ibm.com, dan.j.williams@intel.com, jgg@ziepe.ca, willy@infradead.org, david@redhat.com, linux-kernel@vger.kernel.org, nvdimm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, jhubbard@nvidia.com, hch@lst.de, zhang.lyra@gmail.com, debug@rivosinc.com, bjorn@kernel.org, balbirs@nvidia.com, lorenzo.stoakes@oracle.com, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-cxl@vger.kernel.org, dri-devel@lists.freedesktop.org, John@Groves.net Subject: Re: [PATCH 01/12] mm: Remove PFN_MAP, PFN_SG_CHAIN and PFN_SG_LAST Message-ID: <20250602045427.GA21646@lst.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 976651A0015 X-Stat-Signature: ynj5te58itnniynpqpmdwcjcthfzmibn X-Rspam-User: X-HE-Tag: 1748840073-678520 X-HE-Meta: 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 mOtFYbWJ Vp62lk8wp+Tdd9OtiFpMdITFbA2eH5VuVUSdAbzumrOvs3Pb2J6CEG9jMp5GciVuV+rcHpV9lffR6bF6JhlZ+ICxl2Nld74FgSrYYLFOWclg62oKCo5IkzAsOtkeQNSZX+ybOsnAH6DEOQs4Dgl7MUizLwNEVaIWdJ14Pb34OyNz0+uXHGI9nLgJGuaIbRg6YbE8kF1g2TCVgHO0C34jRclNQYIldSsTG1IsrWfj5Nl5GGiY= 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 Thu, May 29, 2025 at 04:32:02PM +1000, Alistair Popple wrote: > The PFN_MAP flag is no longer used for anything, so remove it. The > PFN_SG_CHAIN and PFN_SG_LAST flags never appear to have been used so > also remove them. > > Signed-off-by: Alistair Popple > Reviewed-by: Christoph Hellwig FYI, unlike the rest of the series that has some non-trivial work this feels like a 6.16-rc candidate as it just removes dead code and we'd better get that in before a new user or even just a conflict sneaks in.