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[142.167.56.70]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4a435772a19sm74189111cf.1.2025.06.03.06.49.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Jun 2025 06:49:05 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1uMS0n-00000001hCF-1wNL; Tue, 03 Jun 2025 10:49:05 -0300 Date: Tue, 3 Jun 2025 10:49:05 -0300 From: Jason Gunthorpe To: Alistair Popple Cc: linux-mm@kvack.org, gerald.schaefer@linux.ibm.com, dan.j.williams@intel.com, 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 09/12] powerpc: Remove checks for devmap pages and PMDs/PUDs Message-ID: <20250603134905.GJ386142@ziepe.ca> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, May 29, 2025 at 04:32:10PM +1000, 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 > --- > arch/powerpc/mm/book3s64/hash_hugepage.c | 2 +- > arch/powerpc/mm/book3s64/hash_pgtable.c | 3 +-- > arch/powerpc/mm/book3s64/hugetlbpage.c | 2 +- > arch/powerpc/mm/book3s64/pgtable.c | 10 ++++------ > arch/powerpc/mm/book3s64/radix_pgtable.c | 5 ++--- > arch/powerpc/mm/pgtable.c | 2 +- > 6 files changed, 10 insertions(+), 14 deletions(-) Reviewed-by: Jason Gunthorpe Jason