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[2003:d8:2f31:700:3851:c66a:b6b9:3490]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4532e224888sm172776835e9.1.2025.06.17.02.37.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Jun 2025 02:37:34 -0700 (PDT) Message-ID: <338a45b0-40dd-4c11-bbe8-a047559fb77c@redhat.com> Date: Tue, 17 Jun 2025 11:37:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 09/14] powerpc: Remove checks for devmap pages and PMDs/PUDs To: Alistair Popple , akpm@linux-foundation.org Cc: linux-mm@kvack.org, gerald.schaefer@linux.ibm.com, dan.j.williams@intel.com, jgg@ziepe.ca, willy@infradead.org, 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, m.szyprowski@samsung.com, Jason Gunthorpe References: <818b2fb2f2cf7450ecdd698f2fa019aed3be7b85.1750075065.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-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 3E8D91A0003 X-Stat-Signature: tbsk94z1m44dwghx99fmkaew9fpgncnk X-HE-Tag: 1750153062-780106 X-HE-Meta: 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 +dLRxQWM 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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 16.06.25 13:58, Alistair Popple wrote: > PFN_DEV no longer exists. This means no devmap PMDs or PUDs will be > created, so checking for them is redundant. Instead mappings of pages that > would have previously returned true for pXd_devmap() will return true for > pXd_trans_huge() > > Signed-off-by: Alistair Popple > Reviewed-by: Jason Gunthorpe > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb