From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4843A3B0581; Tue, 11 Aug 2026 16:48:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786466913; cv=none; b=kSswYCOmr67swhZYSMG6JJ1UPq593K3V6CqgiaPer/+cuwZCUrwGXshYXzuLUnrXHJ6wGpRTNAebxm6Fvg/ErsHAlD75IlbQfshhUO+zWEG6dJ7uv1hkocU/t1Chjgb9zlo7swcvH/ZNhZtOak0KNqPjRxHWYE3/rVZNaCnARGs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786466913; c=relaxed/simple; bh=5iM0rl4+U6JvgRl37W+gPqlyuWMmkg7MOPoyqQUMIOk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=SfA9NPGbxw/xMlKiFuB42bQEzBW3pv0ZZCsDOlXGPihExZ2Lv7nVEmWkh7mppvRAYuZ9u/ypSfcTpP4d5k4EUAO4xjIhQzg3QeHBZpCXD6y7nTdCmjE6eRpdt9OQenjV9fn4K9iSetqMlzv2h+g8L/HOnYkVuLl7UovZDft9Lmk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AIZxIFAm; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AIZxIFAm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89AC81F000E9; Tue, 11 Aug 2026 16:48:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786466912; bh=9N4Q1jk4C+Off88XGaOwtGooGJBpZMvX648V30zsvDQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=AIZxIFAmKurbVhT2yKjRNb4cRvhB+aLR4EE3v66FDsMcvJDyndNDawSimnPvQAVq5 qzmttuzuV93lAlfyPshLQv9WnCp/gf/T/afoUa/9rA2W8cIbOzq5pgzRQv7ULKb6Xv RwXF08n3j5I564owX4uerUmLiYkuavi9CI99q5xp5NVAHLampqcAvfk+QbjXLhf9Ri J7mkamacG9CxXzFsa3mj+eOwCtMl0vCzaIwFewUqPwZgdbwNufyqjMkdEUtSqYHpmZ EE2XRNaOwl2BZeh/j8BC3xM7acgjaKgABCXDUhKs+Gas6yfxQsp1tPOtCFW0MyzZPT 2tFeIuIhqH/uQ== Message-ID: <4382368c-d0ef-4361-957d-78bc1edf60e2@kernel.org> Date: Tue, 11 Aug 2026 18:48:06 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 11/20] mm: clean up vma_address_end() To: "Lorenzo Stoakes (ARM)" , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jann Horn , Pedro Falcato , "Matthew Wilcox (Oracle)" , Jan Kara , Miaohe Lin , Naoya Horiguchi , Rik van Riel , Harry Yoo , Lance Yang , Kees Cook , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Usama Arif , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Peter Xu , Xu Xin , Chengming Zhou , Arnd Bergmann , Greg Kroah-Hartman , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Sven Schnelle , Alex Deucher , =?UTF-8?Q?Christian_K=C3=B6nig?= , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Boris Brezillon , Steven Price , Liviu Dudau , Huang Rui , Matthew Auld , =?UTF-8?Q?Thomas_Hellstr=C3=B6m?= , Rodrigo Vivi , Masami Hiramatsu , Oleg Nesterov , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Jason Gunthorpe , John Hubbard , Muchun Song , Oscar Salvador , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Youngjun Park Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, kvm@vger.kernel.org, linux-s390@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-perf-users@vger.kernel.org, linux-trace-kernel@vger.kernel.org References: <20260806-b4-scalable-cow-virt-pgoff-v4-0-ab318a350404@kernel.org> <20260806-b4-scalable-cow-virt-pgoff-v4-11-ab318a350404@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/6/26 22:21, Lorenzo Stoakes (ARM) wrote: > vma_address_end() is a confusing function with a lot of moving parts so > clean it up prior to extending it for anon page indexed mappings. > > Const-ify some variables and establish pgoff_vma_start and pgoff_end > variables to clearly identify the page offset for the start of the VMA and > the end of the page offset range specified by the page walk. > > This simplifies the function significantly and lays the groundwork for a > future change to update this function to account for anonymously page > indexed folios. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes (ARM) > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David