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 A3CDA23909C; Tue, 15 Sep 2026 01:08:16 +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=1789434498; cv=none; b=eAeXtVci/shNTXsJXqUOSi2SH8Re4gVFXeQd7Rmm3Gc7A1/m/QMbzE46bcO28hcVA2Ye/BZZpv/Wz7zVqjU63MMHs7ArCobcKQ4YgjEsl1dvDTHbZ9bkY3pa498g7+UvAc3tRB2xET9UNh0/VGlyDPgVc/0mmOsvtJy4npGKorA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789434498; c=relaxed/simple; bh=mUsymsCuQS3SvFkPbdMe4P0yrNvNhFRlUiTaViL3wpk=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=B+Hb5mZVOoyryXHDedn9vFejF6KS/VIgSsh5bFueoD3v3vHA0BWkO0DfTUdusxYSterbKN4JMClimR8dVXE8vM1fVZIvKomCfGyUaTFYscoYGQkDKraZCm3BNSwFN+55joc3xBQI8Upi0lX/SCDYjw+zKb2HU7qIFjgaO6DQVpo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=JlZVB02S; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="JlZVB02S" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 648761F000FF; Tue, 15 Sep 2026 01:08:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1789434496; bh=1++7fS8iWKOMzhlKxfG6KZTpRByEnFekp/pb13YE7fg=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=JlZVB02SRB8SlrjnhgKRH7erLp6/lF0bjE2LaEmvv4g/ygzNEN9Df4GzyzKOq1GRm MXZBeGQXDG+eEGW474o2elhJDXFweuH5LsbgShtKZ8tWHgw7BwYQ9PSDiWCSrWxS8a XDSL8c0/AB3jDnSpmNCqPc3psNggeGWzB7Ii5XXU= Date: Mon, 14 Sep 2026 18:08:11 -0700 From: Andrew Morton To: "Lorenzo Stoakes (ARM)" Cc: "Liam R. Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , David Hildenbrand , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Greg Kroah-Hartman , Dennis Dalessandro , Jason Gunthorpe , Leon Romanovsky , Paul Moore , Stephen Smalley , Jaroslav Kysela , Takashi Iwai , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Kiryl Shutsemau , Doug Gilbert , "James E.J. Bottomley" , "Martin K. Petersen" , Jaya Kumar , Simona Vetter , Helge Deller , Sebastian Reichel , John Hubbard , Peter Xu , Masami Hiramatsu , Oleg Nesterov , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Rik van Riel , Harry Yoo , Juri Lelli , Vincent Guittot , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Will Deacon , "Aneesh Kumar K.V" , Nick Piggin , Arnd Bergmann , Muchun Song , Oscar Salvador , "Matthew Wilcox (Oracle)" , Jan Kara , Marc Zyngier , Oliver Upton , Catalin Marinas , Madhavan Srinivasan , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , "David S. Miller" , Andreas Larsson , Alexander Viro , Christian Brauner , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Youngjun Park , Johannes Weiner , Qi Zheng , Shakeel Butt , Axel Rasmussen , Yuanchu Xie , Wei Xu , Chengming Zhou , Michal Hocko , Miklos Szeredi , Xu Xin , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-usb@vger.kernel.org, linux-rdma@vger.kernel.org, selinux@vger.kernel.org, linux-sound@vger.kernel.org, bpf@vger.kernel.org, linux-scsi@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, fuse-devel@lists.linux.dev, Takashi Iwai Subject: Re: [PATCH v2 00/40] mm: make VMA flag semantics explicit, eliminate VM_SPECIAL Message-Id: <20260914180811.057cba8fcc48d6e0b53a2683@linux-foundation.org> In-Reply-To: <20260914-b4-mmap-prepare-vma-flag-sanify-v2-0-7d9781ed5361@kernel.org> References: <20260914-b4-mmap-prepare-vma-flag-sanify-v2-0-7d9781ed5361@kernel.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 14 Sep 2026 15:57:20 +0100 "Lorenzo Stoakes (ARM)" wrote: > The VM_SPECIAL / VMA_SPECIAL_FLAGS mask conflates several unrelated > properties: > > ... > > It's all rather a mess. > > This series brings some order to things by both limiting what drivers can > do with VMA flags and switching to using predicates that describe > behaviour, not arbitrary flags. That's a lot of patches. Review is thin and I expect this won't improve a lot. Lots of "no functional changes" changes. Perhaps it would be helpful if you were to identify those patches which you'd like to see reviewers focus on? > 1153 insertions(+), 582 deletions(-) It's funny how often cleanup patches do this. All queued up, thanks.