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Tue, 03 Mar 2026 18:42:46 -0800 (PST) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-679f2bfee3csm12574800eaf.7.2026.03.03.18.42.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Mar 2026 18:42:45 -0800 (PST) Message-ID: Date: Tue, 3 Mar 2026 19:42:40 -0700 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/8] mm: globalize rest_of_page() macro To: Jakub Kicinski , Yury Norov Cc: Andrew Morton , "David S. Miller" , "Michael S. Tsirkin" , Theodore Ts'o , Albert Ou , Alexander Duyck , Alexander Gordeev , Alexander Viro , Alexandra Winter , Andreas Dilger , Andrew Lunn , Anna Schumaker , Anton Yakovlev , Arnaldo Carvalho de Melo , Aswin Karuvally , Borislav Petkov , Carlos Maiolino , Catalin Marinas , Chao Yu , Christian Borntraeger , Christian Brauner , Claudio Imbrenda , Dave Hansen , David Airlie , Dominique Martinet , Dongsheng Yang , Eric Dumazet , Eric Van Hensbergen , Heiko Carstens , Herbert Xu , Ingo Molnar , Jaegeuk Kim , Jani Nikula , Janosch Frank , Jaroslav Kysela , Joonas Lahtinen , Latchesar Ionkov , Linus Walleij , Madhavan Srinivasan , Mark Brown , Michael Ellerman , Miklos Szeredi , Namhyung Kim , Palmer Dabbelt , Paolo Abeni , Paolo Bonzini , Paul Walmsley , Peter Zijlstra , Rodrigo Vivi , Sean Christopherson , Simona Vetter , Takashi Iwai , Thomas Gleixner , Trond Myklebust , Tvrtko Ursulin , Vasily Gorbik , Will Deacon , Yury Norov , Zheng Gu , linux-kernel@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-block@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, dm-devel@lists.linux.dev, netdev@vger.kernel.org, linux-spi@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-mm@kvack.org, linux-perf-users@vger.kernel.org, v9fs@lists.linux.dev, virtualization@lists.linux.dev, linux-sound@vger.kernel.org References: <20260304012717.201797-1-ynorov@nvidia.com> <20260303182845.250bb2de@kernel.org> Content-Language: en-US From: Jens Axboe In-Reply-To: <20260303182845.250bb2de@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/3/26 7:28 PM, Jakub Kicinski wrote: > On Tue, 3 Mar 2026 20:27:08 -0500 Yury Norov wrote: >> The net/9p networking driver has a handy macro to calculate the >> amount of bytes from a given pointer to the end of page. Move it >> to core/mm, and apply tree-wide. No functional changes intended. >> >> This series was originally introduced as a single patch #07/12 in: >> >> https://lore.kernel.org/all/20260219181407.290201-1-ynorov@nvidia.com/ >> >> Split it for better granularity and submit separately. > > I don't get what the motivation is here. Another helper developers > and readers of the code will need to know about just to replace > obvious and easy to comprehend math. I fully agree, I had the same thought reading this. -- Jens Axboe