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(p200300d82f438900f36413332a67d49e.dip0.t-ipconnect.de. [2003:d8:2f43:8900:f364:1333:2a67:d49e]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b61ca48a2esm1029324f8f.51.2025.07.18.00.27.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Jul 2025 00:27:34 -0700 (PDT) Message-ID: Date: Fri, 18 Jul 2025 09:27:32 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm: Replace (20 - PAGE_SHIFT) with common macros for pages<->MB conversion To: Ye Liu , Andrew Morton , Davidlohr Bueso , "Paul E. McKenney" , Josh Triplett , Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Boqun Feng , Uladzislau Rezki , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Lorenzo Stoakes Cc: Ye Liu , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Zqiang , Dietmar Eggemann , Ben Segall , Mel Gorman , Valentin Schneider , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Kemeng Shi , Kairui Song , Nhat Pham , Baoquan He , Chris Li , linux-mm@kvack.org, linux-kernel@vger.kernel.org, rcu@vger.kernel.org References: <20250718024134.1304745-1-ye.liu@linux.dev> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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 B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAmgsLPQFCRvGjuMACgkQTd4Q 9wD/g1o0bxAAqYC7gTyGj5rZwvy1VesF6YoQncH0yI79lvXUYOX+Nngko4v4dTlOQvrd/vhb 02e9FtpA1CxgwdgIPFKIuXvdSyXAp0xXuIuRPQYbgNriQFkaBlHe9mSf8O09J3SCVa/5ezKM OLW/OONSV/Fr2VI1wxAYj3/Rb+U6rpzqIQ3Uh/5Rjmla6pTl7Z9/o1zKlVOX1SxVGSrlXhqt kwdbjdj/csSzoAbUF/duDuhyEl11/xStm/lBMzVuf3ZhV5SSgLAflLBo4l6mR5RolpPv5wad GpYS/hm7HsmEA0PBAPNb5DvZQ7vNaX23FlgylSXyv72UVsObHsu6pT4sfoxvJ5nJxvzGi69U s1uryvlAfS6E+D5ULrV35taTwSpcBAh0/RqRbV0mTc57vvAoXofBDcs3Z30IReFS34QSpjvl Hxbe7itHGuuhEVM1qmq2U72ezOQ7MzADbwCtn+yGeISQqeFn9QMAZVAkXsc9Wp0SW/WQKb76 FkSRalBZcc2vXM0VqhFVzTb6iNqYXqVKyuPKwhBunhTt6XnIfhpRgqveCPNIasSX05VQR6/a OBHZX3seTikp7A1z9iZIsdtJxB88dGkpeMj6qJ5RLzUsPUVPodEcz1B5aTEbYK6428H8MeLq NFPwmknOlDzQNC6RND8Ez7YEhzqvw7263MojcmmPcLelYbfOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCaCwtJQUJG8aPFAAKCRBN3hD3AP+DWlDnD/4k2TW+HyOOOePVm23F5HOhNNd7nNv3 Vq2cLcW1DteHUdxMO0X+zqrKDHI5hgnE/E2QH9jyV8mB8l/ndElobciaJcbl1cM43vVzPIWn 01vW62oxUNtEvzLLxGLPTrnMxWdZgxr7ACCWKUnMGE2E8eca0cT2pnIJoQRz242xqe/nYxBB /BAK+dsxHIfcQzl88G83oaO7vb7s/cWMYRKOg+WIgp0MJ8DO2IU5JmUtyJB+V3YzzM4cMic3 bNn8nHjTWw/9+QQ5vg3TXHZ5XMu9mtfw2La3bHJ6AybL0DvEkdGxk6YHqJVEukciLMWDWqQQ RtbBhqcprgUxipNvdn9KwNpGciM+hNtM9kf9gt0fjv79l/FiSw6KbCPX9b636GzgNy0Ev2UV m00EtcpRXXMlEpbP4V947ufWVK2Mz7RFUfU4+ETDd1scMQDHzrXItryHLZWhopPI4Z+ps0rB CQHfSpl+wG4XbJJu1D8/Ww3FsO42TMFrNr2/cmqwuUZ0a0uxrpkNYrsGjkEu7a+9MheyTzcm vyU2knz5/stkTN2LKz5REqOe24oRnypjpAfaoxRYXs+F8wml519InWlwCra49IUSxD1hXPxO WBe5lqcozu9LpNDH/brVSzHCSb7vjNGvvSVESDuoiHK8gNlf0v+epy5WYd7CGAgODPvDShGN g3eXuA== Organization: Red Hat In-Reply-To: <20250718024134.1304745-1-ye.liu@linux.dev> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: FkrAj4-d8wQrA_H7hKaak_GE_1eD-CgRqhhf-BhPIKw_1752823656 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4051918000A X-Stat-Signature: zgiq7z4g5ygffo9nu73d4hkdsb3zj6j1 X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1752823659-30127 X-HE-Meta: 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 ciRnYUVw k3pfSGcjfOPJYfjAsLtqLLIYSvzWB3mqAC/OqSJXIgOWkssFUbqpYcUlgr3LM6y4BHruMgEsGh2009KiHoPckOpialNEeZRgklwkJGlQz5fmq5I9Q4pEgN+LLErTNL0/nrtfxiC6PGuFc08h5Z9VspCQ+9IXSmcbPJGVC1StLKI27CD0SXPRVQeimmUr49msPX5v5 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 18.07.25 04:41, Ye Liu wrote: > From: Ye Liu > > Replace repeated (20 - PAGE_SHIFT) calculations with standard macros: > - MB_TO_PAGES(mb) converts MB to page count > - PAGES_TO_MB(pages) converts pages to MB > > No functional change. > > Signed-off-by: Ye Liu > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb