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[2003:cb:c706:1700:6b81:27cb:c9e2:a09a]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3749b22da7dsm94393f8f.7.2024.08.28.08.31.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 28 Aug 2024 08:31:53 -0700 (PDT) Message-ID: <93850b27-d063-4783-b940-8aef8d5abe1e@redhat.com> Date: Wed, 28 Aug 2024 17:31:52 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 04/19] mm: Allow THP orders for PFNMAPs To: Peter Xu , linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Gavin Shan , Catalin Marinas , x86@kernel.org, Ingo Molnar , Andrew Morton , Paolo Bonzini , Dave Hansen , Thomas Gleixner , Alistair Popple , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sean Christopherson , Oscar Salvador , Jason Gunthorpe , Borislav Petkov , Zi Yan , Axel Rasmussen , Yan Zhao , Will Deacon , Kefeng Wang , Alex Williamson , Matthew Wilcox , Ryan Roberts References: <20240826204353.2228736-1-peterx@redhat.com> <20240826204353.2228736-5-peterx@redhat.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: rspam12 X-Rspamd-Queue-Id: 10B8080023 X-Stat-Signature: uhnk3mp3668e9r19gr1wrmdpbktk8n3x X-Rspam-User: X-HE-Tag: 1724859118-125108 X-HE-Meta: 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 hr8cD8G/ 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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 26.08.24 22:43, Peter Xu wrote: > This enables PFNMAPs to be mapped at either pmd/pud layers. Generalize the > dax case into vma_is_special_huge() so as to cover both. Meanwhile, rename > the macro to THP_ORDERS_ALL_SPECIAL. > > Cc: Matthew Wilcox > Cc: Gavin Shan > Cc: Ryan Roberts > Cc: David Hildenbrand > Cc: Zi Yan > Reviewed-by: Jason Gunthorpe > Signed-off-by: Peter Xu > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb