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b=PhuLvABDdh6gVR9eE3ikwDgvdiwZ29gA6RyqDBBm13X4hKERVRaqy5W5w2bpzPY7m 2e5SgXRCywW3cMgkz+T3Cm3pZohRqA0pF1GQlJa8gT7QsjfEG68ix0Fk2fOr69rgTU 4gMvbm8e7B2rNF4lV/Ad3oZ5NFnCmiKt0SACK4jqzJi3Bq7D/jwswLxUSy+FikcyFF xzeSx50rmEnsLP7CCkaiiritAgRvLTyFHy7dpZASZVK+M5w8Y3xlLio/xXhhdGQK8F jAEv8WodNU4D2abpuc4mCCiZsJfhM+clJJoEHAvtFV1Noy/ovZDrvK+VQUNhFK9Fx6 qI7Z/uh7MenrA== Message-ID: Date: Mon, 14 Sep 2026 15:14:19 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] md: Remove the last use of page_buffers() To: "Matthew Wilcox (Oracle)" , Zi Yan Cc: linux-raid@vger.kernel.org, linux-mm@kvack.org References: <20260913-remove-pg_private-v4-0-848550f7574e@nvidia.com> <20260914041830.2072626-3-willy@infradead.org> 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: <20260914041830.2072626-3-willy@infradead.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 7780F80002 X-Stat-Signature: oicoa469q7ozujyzz5s9r7bcask4t5c6 X-HE-Tag: 1789391665-644342 X-HE-Meta: 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 pknsz2zD A75cjiknziDtzFNPaYtih8sCvrbm7sFJvjy4YSoIypSiuEagf3K2j6N6H4YX/gGfKBWyBD0bIeR00gAm9NMjr3J64gZOk8/tbSqjARU9V1r46Dg0Lilpkemm4v2KwON2JrrFhNK1daHdAUSctY7sFqaFPXi8CsTZU7t7bJkEY/bZYtkc1a7fIn82qTKlr80MuNafKm/nYUiPQ9+hA+Co2NxDtHDZ+zipdneS7ArHliTlVIF0CFPh6ejslC1RxyvJ3Rgr/hJnA0i0RCPHzG4Bi0u52PT9NTVSTpW5SZAz5rns8+CgKP7G63WgEs4MTJDLOhR728WPh6ZeNpqdt4zXHLJkrhAMV1CIujpVoIr1MruZB2dfE6tc3uf6LatddnzOsxUAYSxDh4FX/1bE= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 9/14/26 06:18, Matthew Wilcox (Oracle) wrote: > Convert the page to a folio and use folio_buffers() instead. This > does introduce one extra call to compound_head(), but will simplify a > later conversion of md-bitmap to use folios instead of pages. > > Signed-off-by: Matthew Wilcox (Oracle) > --- Reviewed-by: David Hildenbrand (Arm) -- Cheers, David