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[2003:cb:c708:9d00:edd9:835b:4bfb:2ce3]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38a1c89e140sm4735396f8f.79.2024.12.20.10.39.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Dec 2024 10:39:35 -0800 (PST) Message-ID: <65af8809-af14-46d1-a479-d82b9973e278@redhat.com> Date: Fri, 20 Dec 2024 19:39:32 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 17/25] memremap: Add is_device_dax_page() and is_fsdax_page() helpers To: Alistair Popple , akpm@linux-foundation.org, dan.j.williams@intel.com, linux-mm@kvack.org Cc: lina@asahilina.net, zhang.lyra@gmail.com, gerald.schaefer@linux.ibm.com, vishal.l.verma@intel.com, dave.jiang@intel.com, logang@deltatee.com, bhelgaas@google.com, jack@suse.cz, jgg@ziepe.ca, catalin.marinas@arm.com, will@kernel.org, mpe@ellerman.id.au, npiggin@gmail.com, dave.hansen@linux.intel.com, ira.weiny@intel.com, willy@infradead.org, djwong@kernel.org, tytso@mit.edu, linmiaohe@huawei.com, peterx@redhat.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, jhubbard@nvidia.com, hch@lst.de, david@fromorbit.com References: <58ea909bd178d97bcc73997d6499880137d5e4ed.1734407924.git-series.apopple@nvidia.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 2E336120005 X-Stat-Signature: mn1hen3ktuj7ea4sas6bkayrnqo57g74 X-Rspam-User: X-HE-Tag: 1734719931-113423 X-HE-Meta: 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 gKSH+Ics 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.211000, 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 17.12.24 06:13, Alistair Popple wrote: > Add helpers to determine if a page or folio is a device dax or fs dax > page or folio. ... why is it "device_dax" but "fsdax" ? In particular because you wrote "fs dax" above. I see "fsdax" getting used in some functions. But then, people usually say "devdax". I'm fine either way (could be cleaned up later), just wondering about that slight "inconsistency". So whatever you think is best, feel free to add Acked-by: David Hildenbrand -- Cheers, David / dhildenb