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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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 87F15EDEC02 for ; Wed, 4 Mar 2026 02:48:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.sourceforge.net; s=beta; h=Content-Transfer-Encoding:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Subject:In-Reply-To:From:References:To:MIME-Version:Date:Message-ID:Sender: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SClQgoWfpBTG3o4i/3+3oqTAfwOp2Iq+dT/fRiDB+m8=; b=CNg4nRGP8N7x+5VeO37vigCqUd bi8yz/sySAlM8W6GUtbUxLmOztY6ePk/FI6uHnb/DTQvCEPvfHf/fhKuDoq7i2kyOK9EvhOBFYmj8 PeerUaihri3kNzQwovWo1flF+9JYBdPSaoPT8gBpMquKHIPwER5mqwZ4TaV6HUSrzUnc=; 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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 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Jakub Kicinski , Yury Norov 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> X-Headers-End: 1vxcHf-0003Do-P4 Subject: Re: [f2fs-dev] [PATCH 0/8] mm: globalize rest_of_page() macro X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Latchesar Ionkov , Zheng Gu , kvm@vger.kernel.org, "Michael S. Tsirkin" , Peter Zijlstra , Catalin Marinas , Alexander Duyck , Dave Hansen , dri-devel@lists.freedesktop.org, Jaroslav Kysela , linux-perf-users@vger.kernel.org, linux-mm@kvack.org, Eric Dumazet , Andreas Dilger , linux-nfs@vger.kernel.org, Dongsheng Yang , Joonas Lahtinen , Alexander Gordeev , Claudio Imbrenda , David Airlie , linux-riscv@lists.infradead.org, Simona Vetter , linux-s390@vger.kernel.org, Madhavan Srinivasan , Yury Norov , Herbert Xu , Alexandra Winter , Miklos Szeredi , Michael Ellerman , linux-ext4@vger.kernel.org, x86@kernel.org, Tvrtko Ursulin , linux-spi@vger.kernel.org, Ingo Molnar , Aswin Karuvally , intel-gfx@lists.freedesktop.org, Christian Borntraeger , Carlos Maiolino , Dominique Martinet , Thomas Gleixner , dm-devel@lists.linux.dev, Albert Ou , Vasily Gorbik , Heiko Carstens , Will Deacon , linux-f2fs-devel@lists.sourceforge.net, Arnaldo Carvalho de Melo , linux-crypto@vger.kernel.org, linux-block@vger.kernel.org, Mark Brown , Borislav Petkov , Alexander Viro , Rodrigo Vivi , Jaegeuk Kim , virtualization@lists.linux.dev, Eric Van Hensbergen , Paul Walmsley , linux-arm-kernel@lists.infradead.org, Janosch Frank , Jani Nikula , Christian Brauner , Paolo Abeni , Theodore Ts'o , v9fs@lists.linux.dev, Sean Christopherson , Linus Walleij , linux-sound@vger.kernel.org, Takashi Iwai , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, Andrew Lunn , Palmer Dabbelt , Anton Yakovlev , Anna Schumaker , netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, Paolo Bonzini , Andrew Morton , Namhyung Kim , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , Trond Myklebust Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net 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 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 32BBBEDEBFF for ; Wed, 4 Mar 2026 02:43:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UULp7rr0gz3OfbmpSF1Zs/5Iol+RHLbUj8aQ5bfi0zo=; b=f23el8u/pAqUYv 2Arn/ZvDM3vg8W8d+iZNkEOvhivJg72OmHD8bM831LXzzqhZhRWIRIV60urnZxUydhZyV5gNjUL9K MsrthIxt153SZFrfrBR/4LfD9A+UZiWh4y/GPE8MmjypoKsFmh0QTmdiGKWjd7uGSIZARDXQJOojz c6WTq4vNKwUFW48Tqy14O6WuF9nuNp1Fe3rgdrOgyXNvRN2y16LjuM238BjybKt9jCrYAKe5TZVxj kEIF8w2q7N3+0o3/dr8gUIpzrUT0kACygRT1BDiusz1YXOYGchtkCK1SAf/Yc8lYtAoiwf87k9qQZ ACn/63Q1uhWV+PTuRPog==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vxcCJ-0000000GJlz-2laL; Wed, 04 Mar 2026 02:42:51 +0000 Received: from mail-ot1-x334.google.com ([2607:f8b0:4864:20::334]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vxcCG-0000000GJlK-3JPU for linux-riscv@lists.infradead.org; Wed, 04 Mar 2026 02:42:51 +0000 Received: by mail-ot1-x334.google.com with SMTP id 46e09a7af769-7d596a5be31so5399298a34.3 for ; Tue, 03 Mar 2026 18:42:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20230601.gappssmtp.com; s=20230601; t=1772592167; x=1773196967; darn=lists.infradead.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=W7dycZCW1i0wVXbu5i6p68JSQ3h2ubeTDMrk86ISU5M=; b=eaeyxiulsDtd4WoCEh5xefVAbr/megYAyixzuN6kTXvo/ZEhv5m0/tCypI0Gn37qlf 3in8BJADLdM29zZ6EO2FWNIr+iuS3yZETZIR1t8BpssmvmMRXozcjJ+gZlsYYxaxCs1q IdeFi6ccjFtpYViW10HsZQ/uwDLrgaiLXuqnpiorOJgXCA28TXPDnHmavbcyUU8f+KPj y0Pp2gpebU4NYvFK12iXPPJnzrCvZbaFXi+VbceLhmRj4a0DcXfn/JuLGa/g55BbW3Ap yTMrxzTRPfpFjiFXhJExtbVkpIGt/8Zvv/bDpv73xoKyKVuYheJYujQnong52NafZAef QJjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772592167; x=1773196967; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=W7dycZCW1i0wVXbu5i6p68JSQ3h2ubeTDMrk86ISU5M=; b=fmJDmpWZzwAkFLwL5bdanORfbrjU9qLVS4EqyFn3wBrTcu8OEggyhBkKetovO6Rfcj NiPHB3TJc7LHDU+Yej3EKNSeQM14gE41l/ZkuFNRUvG7wU8ekHeH0UBPRjNxSqsaOrou EIMSLWGukRgMknjS/3bgK3gIoV4Cz8JniG5XmuIf5SiyPvmamjnDBcCTwh2tyjb07ooN anH49YXoEq5AhQY3uKZvwSGzvZl6yAyOFWN1X+qCjTtAXsiybKquhbSlmS9bjlTJ67na XPy7TZUoXWe1TBIBUgxVXfRyxLR3wwmfFA1qA6sI8xaS8I0Ei9C93A8iCgYnqgvQ1GuY v87A== X-Forwarded-Encrypted: i=1; AJvYcCW6IFqGIEg6h3rm1On54pwp9MTXd8EEkG0CPbO1NpkGwW0Ckw8cSJJZSFjuqzr3pEDA00YMjkz2iM2zOA==@lists.infradead.org X-Gm-Message-State: AOJu0YzY/CuyuXv7V1a01PAOp3nUOBqxW+CVk0294pPvyIMZi6OACCBu L146fQbgGbrADbWk0SfYpOZhs2WW62g1SIHnQhFzemQ6APcxW05EjodYiQsZ3ZbBrG4= X-Gm-Gg: ATEYQzxZGB1f/1WMQ7oiiSrbCMrFg1rmzXixFIQregOryM8mw9YLByMg5BpVZChx2/A AUKs0pSAuyTRLYQCibv0JGOXwZrxvaUhUfk73cXL7q41oOTqrdsc04LlrIfrEZfQLo99wY26iRZ J6gX9lTYKQAKIaMMxmutGKiwrRDsG5aqePQUkpXUNvu5Sslx0alV5MZz0LXWQHIcBytfJKpI3M8 AcUFNP9jKWb0M8eaDh73Ul7KH3OZFSxJWjH8f0hzRKDDBSguuEEb1GVwEZKKDN9+nKNK752nn4l 4+miGnUL/QgIPISBPETq/3dSNbbkAXy2n7Kj48dmFKzAcxe3gkAGgZMyhyIWRsk7houeB2+6DnI /ilwMFJA0YHLg9/Tl2oS/QUevJhz8l7dLxjvrQg1YKmuMNxmg4/kxhOObcn5099lZsoAFvQo+cE DXmVNZZpbevl/bO+uURnGBPvLNVjRQQsuYFb1NgNF1AWpdiF/bkI9DR7CEV+s+K6f3Q1FPa0Okm kA1vePnuQ== X-Received: by 2002:a05:6820:4a8e:b0:66a:1886:e4bf with SMTP id 006d021491bc7-67b17703546mr346906eaf.22.1772592166871; 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 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260303_184249_093786_64EA8F9A X-CRM114-Status: GOOD ( 16.10 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv