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b=UY1eYCoq9AABTrmQZAVFGqeKp4Nz5nt8y9WFd4bbrO5p6Ohu03Cqb0vbTK5U6LHPa 9Wxw2u4L4+KxiU2R6GrGCq14HFGEce94ZFUweEqJuSZn56X/LyR36uotcLAcmHwEBb sz78xKwiGgFhoos4IXo78QeLVjhY6Ny+yNLB09ocZQy/KkDGfV3lz98RJ0yWfP4ck3 nDi8XrDub9buBLz1QyFaPOxlrTUSuw1d0+5lftDnlWo7YHILx8q7pKsSex2DuHeqUV ONEUhdyFeQqVLFyXD0ZJqjFk4ue1hn6SB9x0Ftv3962crofg8/sosyJq/tpZXg31Lj w07uyg/Xs6aiQ== Message-ID: Date: Fri, 2 Oct 2026 21:29:53 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 10/14] mips: move has_transparent_hugepage() out of THP guard To: Luiz Capitulino , linux-kernel@vger.kernel.org, linux-mm@kvack.org, baolin.wang@linux.alibaba.com, ziy@nvidia.com, lance.yang@linux.dev Cc: corbet@lwn.net, tsbogend@alpha.franken.de, maddy@linux.ibm.com, mpe@ellerman.id.au, agordeev@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, x86@kernel.org, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, hughd@google.com, dave.hansen@linux.intel.com, djbw@kernel.org, vishal.l.verma@intel.com, dave.jiang@intel.com, akpm@linux-foundation.org, yintirui@huawei.com, dev.jain@arm.com, usama.arif@linux.dev References: <13b8b68cde4d6cccd6eb9b73cfe083145bd1f014.1789695931.git.luizcap@redhat.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <13b8b68cde4d6cccd6eb9b73cfe083145bd1f014.1789695931.git.luizcap@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: AA89F1C0004 X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: t8imw8sskzyqj477m1mxq9r4hufprmyg X-HE-Tag: 1790969403-199825 X-HE-Meta: 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 h3pXuRp2 TTXhFJE5ITWSn5Kt6AXiypt/Rvj+xYHBwPHtSwQQQDkqgMvNpxcEB27pwG5WbSKFJNuRNUk+ILWj2Tm/XGIPywaDMejZIe43+NWnQ0Hs8uFS/Jlf7skNN/bLsJVhpTXabd6BrcJe0PVf6429l64YQ4/QdRTofRbwd6LBdmuFZHggoxP09wUq18x6doLPirLg/7BgRzg2uKj2vGM6Myam4MyYw+45vNbpVYsFDH5XVk2ljGpwdkwygyEbpmzqZ8Qf70iYiV6v/fS/SRXhmEXzjbqB2ma/R2XBzhuVlEyKy/xNWtqNGTa411VnYPQGQC5pR964FtS2yG/XOuFo= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 9/18/26 03:45, Luiz Capitulino wrote: > A future commit will introduce a kernel API to allow for checking if the > CPU supports PMD-sized pages. This API will be based on the > has_transparent_hugepage() implementation but will be orthogonal to THP > and therefore must work when CONFIG_TRANSPARENT_HUGEPAGE=n. Same thought as for the previous commit: it would be fine for now for the architecture to simply say "not supported" without CONFIG_TRANSPARENT_HUGEPAGE, right? -- Cheers, David