From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3335E352F9B for ; Wed, 4 Mar 2026 02:49:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772592581; cv=none; b=OwNaSgawepP845mnp0RRP+YaUzI4Lz7+e5NAGT6QR1OPb3Q3NqQCWa51qWbjtElgUHi+WUTVJxoASZHz9KHTjMMB3znrM3mIzexx6oU2yP5aO7uUXlLm2lSlKGMZvD2J8A13AGyf7ReMzKKl3x6zPCLKDwHWEbOAE0MPF81BvhM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772592581; c=relaxed/simple; bh=Yh8dBMe3ibg8tK09EirKlKZM1uMUm94vien5uMRloZQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=rAKknsjBmrZs/9mnBzZmZbf1DYyP43D5G54hvzMxS1qYEFjiq9CHKa57OcmLQSQpWnk/MzBmCSaLSY/dg1d98YfpXi5Oygzu9Pp9sSi0c/vWps8jjLxYauUVbL1Xka3TJ6VsZhZxRG6PsoBDTI5Lawr4OVZa86vAGiKUUYJ4OVw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=Sjqm+Skx; arc=none smtp.client-ip=209.85.214.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Sjqm+Skx" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2ae49120e74so29120285ad.3 for ; Tue, 03 Mar 2026 18:49:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1772592579; x=1773197379; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=wlfxAiLCYE9X+ss6Nds/jzCWOjzdQvgrRAY6r5Hx7j0=; b=Sjqm+SkxiJ98qgnm1C2hsA/w3axWsKN7SDop0PIeHB6pDjVCF2rLRAVw8fAofU2ICP Qzvj9O3QGatnsquCCdxqkeYamlSLqauOyQfrXX4hrW0EWOLORl7U9mXzt3QdYQV5gbd+ 3uCSK04DJ6PNL0MsGj94ghha4gZ/YmCMSUun/cBNY2K8wEGHp2dQeuWn4ROgs3KN/9zk GYsBfg4i4ACGxshXoRTTi2CzvxT8rHMeFXDf4EeXy+81wGeWUbnEOmoRNMnjXoeoWQ4T t2FFi9hLT5bKSW7L4mw1NgBISMwfa4lBYJ6AdIWoEHRTdQSOUHpBoccs4gAtnidILPxl 0NDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772592579; x=1773197379; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=wlfxAiLCYE9X+ss6Nds/jzCWOjzdQvgrRAY6r5Hx7j0=; b=elnkVDd1RX10DWTeZSj8mCQxFHzJvqDPh+RpSkXE7F9aoALkuqbBQmxSrHoP+FpY6s zUZYkM4aUg+vxHcFC0OY54mwDbpx8YEak3MzEVTll/q/mmvykY6js139NeVVkIfhI8NF 5Sqws7fq2hdWERBKtSDnaMZF3KqAoFbQ8SZj1/mb37DHYgPbVORG4/BsX6tMgS5l5vyQ iiAo9eVuSH33SHd+NMtTomMYr7jSvIB+E0kgqdHSPe0C7gKVSjtTXysal6UnDOm4zZ1O rULgAW80u09IzjBpbP7SoGnFKW8sSX7h4VRArm0al8ra5DjhH56F3olnfkvkKkinIEm6 D0qQ== X-Forwarded-Encrypted: i=1; AJvYcCWXWCW3lJZ2aZz5JzJhROojKsQRUBLuvkEX5HicyXdCrizwoE2Uldps8iAA7/pftHXcmN3MPPGPk2O/4ChNDQ==@lists.linux.dev X-Gm-Message-State: AOJu0YxHrSBgVmTovtpXJGOL+Zw5rDRlnyofiObR6oV+Z9+WO8Srjyya CXU89nvul/1I6f6fkIMA98lC4pYtv8grGTnFzTyTRjDozNxbv2Ejldbn9fCLcoB/Ydmtfkaxqr4 MebdeSg== X-Received: from plzv9.prod.google.com ([2002:a17:902:b7c9:b0:2ae:6338:73ca]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:2446:b0:2ae:483f:b239 with SMTP id d9443c01a7336-2ae6aaf9469mr6114485ad.30.1772592577810; Tue, 03 Mar 2026 18:49:37 -0800 (PST) Date: Tue, 3 Mar 2026 18:49:36 -0800 In-Reply-To: Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260304012717.201797-1-ynorov@nvidia.com> <20260303182845.250bb2de@kernel.org> Message-ID: Subject: Re: [PATCH 0/8] mm: globalize rest_of_page() macro From: Sean Christopherson To: Jens Axboe Cc: Jakub Kicinski , Yury Norov , 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 , 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 Content-Type: text/plain; charset="us-ascii" On Tue, Mar 03, 2026, Jens Axboe wrote: > 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. +1 from KVM-land.