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 24B7D351C32 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=1772592580; cv=none; b=dmAp0/1ZqYwMfzdDK+JXPHA9Vmrv0BYQwUdt/KCnZ68nM5fcYpVOI+IiAx7dHD5dxmZ7x6bZ9w42xNK8bv1Ek34NjH4yV9Rmx8DvcozkWNV/TN2EIEtuInOhpVzvOMS/KdtKEPkbhzD4GfydRhBmv7zezWc8929vFvkpkLWvGHU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772592580; c=relaxed/simple; bh=Yh8dBMe3ibg8tK09EirKlKZM1uMUm94vien5uMRloZQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=r7EphHwJNhhlVR892SEEww3fjJHPJqCqRi+EJyt0swe7eFeOKKYMUJJxTGFQNwLFVaKR0jV0g3bc2xc0F/1TJWSUGxGXosEEaDEsc+0+2MFiWwIL5uOv3DYttbtbCCZCqb9X1m4nQXmmdiQOlfE7kGBRkQUo7oCC6Pnkh20f7ao= 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=jbJx9YHi; 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="jbJx9YHi" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2ae4a6bb316so32261805ad.1 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=1772592578; x=1773197378; darn=vger.kernel.org; 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=jbJx9YHiJ+WPah7GaRASFMPpnhJpC89X1VEt7t7uOXdxW9ui4S5BV8nEmnFwwucLuy 2DP1g+BXTNfahxRQ3c5bNOmsk4VGpCJTV/DeH/KU5FknJBbeV//S2UbbE3LMF1facWh1 hHRMG3MaiJ+/3JjlZpYQypG6vavbkLj/WGXr/+JZB9Di0csdOnzeuSYtRrZUuzFXPVlZ V+nHwfQ+OOu93OkF5KrOhH7PDYq8/lNNOH/PhUY+Lq7Lq+C6cphl8HZhs7RqN9Nwr+Gz GGJcSKdbL2CXSVi8oionrs44kO1BzATDhtuqGPXHN7yc2Wtk0yLhrD+fgpgILH7GlC8D CrBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772592578; x=1773197378; 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=UEkT5nbznVGSFGbZufwebsC7q1prkr8wgNSOQ5wB2I/HlpWuJ568h0ielHR5bhRe7X 3vET1YuM1ke5+cmUHELPy0ft7dcaY9ZcRpIHHh46ENitKY2NyhrdsDN91xsl3voXQDI5 t6eKu6owfs9+eh+sEybc2wEBMFozvej73gSnPdh8WuovdAhVfNvHICWJGXrSqP0fkcdT 2JA6b29zxbTa/WaPi55bOb84SQNz42MhyWdvy3VOzahVXr3JFSiSDPkVYgsTGY+1wurA Cv/dCjYcXpkHoqsL3C78qidMZ30GdNy/Plb4RTym4W7Uz/APFyuezc38DxefrwfVDhfS mDNA== X-Forwarded-Encrypted: i=1; AJvYcCVAV9eY/QnJxN6mpupyUYsCMpGKeaxnKuOf0yjkEEDs55MJZhBTRXeTig/Br9nuTolWARfJQdhcE5ot9N/i@vger.kernel.org X-Gm-Message-State: AOJu0YyGdnrn7dvCZAYCdJZyzw67UHpYRdNwGA0ZWWpYylcqUEuZFVss KnNR/C6/KtqNOLVxnLoFsYO5CM1s/OZYkwl2scZg7iwjEL3ObRT+V+bPjcIS0d84WwPe8IKf0YM UFO599w== 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: linux-fsdevel@vger.kernel.org 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.