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b=EYAaq802O2za9BCFbi4Cl+SfNKnQlkvaAfjcYaiPPCp/SLXcgTk2WxuFGNK4P7Vtm 58kRCm6uAsnRbVMHG24BLYCP8pT1OQWsjYwelrK5wU2OE9cVMEIxP994QK0VEj7OWP ZrxeicvQHidzeg1aJp5NkML6Man4qqdbQEdvbLQGx/mc7to2/AEmHe7SildFkaC0ZS wd76BFBYJeDXmYJDMCcekBFIf94k8AbcgfeXG/GV539bRLikd2C3RzglpxWPVtXMUJ xekiBJoZHOUHKIkirn961KEs58FLMF2NVuDTM+Hw3zX00254bIEv4I12WmsihPKjsv I2YIuvCjeb3Cw== Message-ID: <94f759f8-e2ed-4f22-b9e7-4693ad005509@kernel.org> Date: Fri, 22 May 2026 23:58:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH mm-unstable v18 14/14] Documentation: mm: update the admin guide for mTHP collapse To: Nico Pache , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org Cc: aarcange@redhat.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, apopple@nvidia.com, baohua@kernel.org, baolin.wang@linux.alibaba.com, byungchul@sk.com, catalin.marinas@arm.com, cl@gentwo.org, corbet@lwn.net, dave.hansen@linux.intel.com, dev.jain@arm.com, gourry@gourry.net, hannes@cmpxchg.org, hughd@google.com, jack@suse.cz, jackmanb@google.com, jannh@google.com, jglisse@google.com, joshua.hahnjy@gmail.com, kas@kernel.org, lance.yang@linux.dev, liam@infradead.org, ljs@kernel.org, mathieu.desnoyers@efficios.com, matthew.brost@intel.com, mhiramat@kernel.org, mhocko@suse.com, peterx@redhat.com, pfalcato@suse.de, rakie.kim@sk.com, raquini@redhat.com, rdunlap@infradead.org, richard.weiyang@gmail.com, rientjes@google.com, rostedt@goodmis.org, rppt@kernel.org, ryan.roberts@arm.com, shivankg@amd.com, sunnanyong@huawei.com, surenb@google.com, thomas.hellstrom@linux.intel.com, tiwai@suse.de, usamaarif642@gmail.com, vbabka@suse.cz, vishal.moola@gmail.com, wangkefeng.wang@huawei.com, will@kernel.org, willy@infradead.org, yang@os.amperecomputing.com, ying.huang@linux.alibaba.com, ziy@nvidia.com, zokeefe@google.com, Bagas Sanjaya References: <20260522150009.121603-1-npache@redhat.com> <20260522150009.121603-15-npache@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: <20260522150009.121603-15-npache@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: qsn1wuypg9hptdpbxp6aguuprboho3r9 X-Rspamd-Queue-Id: 7E16A20003 X-Rspamd-Server: rspam07 X-Rspam-User: X-HE-Tag: 1779487156-950086 X-HE-Meta: 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 TWh0bMg0 2QcQKMaPMPbd3T71LqMK0HMxbp0J2Wnvkb4cXbMHqv8vuTaXyS4NpCgkNbx/vitWxCGAGwP8fPg3MEHPVnONhRJ8MsXQ0TAiKvjLY2STgFf6hICRmc92SqqXIb5b4U58BFT4JrkgFUrVMaYJ54taRHwTziXdxZUHgccKv1DWsixfQSmGlOC+sOnM+/u4uE4VJ13SisKrr7A+5ROBHAlOrNmRZdZ9D/5vaqwPVQlVV/iZGHMVEjJuZxelWziLcDERjZiUoJ6wbSiGBLSz1pVARJ0V5MI5JY34yt9lmvZ8CdkKlACzJ1Nv93gsEvi4URNgR3+NQZzUD4GnEfZDjYhC+MbJ/7LOEzQwN1m5TcIFV7rg/EIZ42HgcC8oF5cknHBr3pxIr Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > > process THP controls > @@ -264,11 +265,6 @@ support the following arguments:: > Khugepaged controls > ------------------- > > -.. note:: > - khugepaged currently only searches for opportunities to collapse to > - PMD-sized THP and no attempt is made to collapse to other THP > - sizes. Should we maybe leave this here and clarify that for file/shmem, it will still only collapse to PMD-sized THPs? -- Cheers, David