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.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 A61FAC88E75 for ; Tue, 15 Sep 2026 01:08:24 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hkP5y5stqz2y8G; Tue, 15 Sep 2026 11:08:22 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c0a:e001:78e:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1789434502; cv=none; b=mnlCZj2BhpLxY5n1qvLuzbxPQ+j/z9eQA2Ke5TsrAfmJRVpfAPrYZSr2GR+CTLswdebAq02in9GMCCAMjPvri7tChEdhHtnMxqK/TCnhzEuWtsDsGRtlXw/FB9Gqb9dS2zo2TN135Z167UummzKVULAnrK9+MLoOXh2VS2nyG2SoApY0ZCD0zHtSqd2ZRmjy3QIjRSYKdAI8CHVSxUF27+PP9lVB+/22IvaUaF4MJ8iH9nDEspEBjqNnCqdBwxIJmP5q2J7942XWoS4jeLjJFy9QEaWhoNsnvz/3IgPsV8aBWKM+N46LKtCgTibzQfaxesuWP8KidvzyK3teuoJZMg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1789434502; c=relaxed/relaxed; bh=1++7fS8iWKOMzhlKxfG6KZTpRByEnFekp/pb13YE7fg=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=TiCaqa5wtej33NOEM45nGLH1OT9q5i4darDr4dReJz8Cu/T9tp4VwVr9fM5LAfVP7Y0petTGvr6XZAd6AP7QjlqU0PfvTrHRngmT0y+XeaSAK0qHR0e/NaJCKN+L7ru+2ifd0OM+TwG4+sfmKpOiI0DWx2+yIbHbV12AGspILY5/RH488P0u543AmwB8De2YTZAJyC8zV4taGQfhh6M2U2kvq6DB4gJnPBMLUrMHZG1dcVKhFJ0eR+BYb1M29HUf2inxgfpW85/9MUcpXFCzaI9Fx8/Sgjl9eTRZzDHOUnTy3zOzUDZd9S+I2ppE3k4JQVtombdYOxQWdlDtrnwFog== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org; dkim=pass (1024-bit key; unprotected) header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=JlZVB02S; dkim-atps=neutral; spf=pass (client-ip=2600:3c0a:e001:78e:0:1991:8:25; helo=sea.source.kernel.org; envelope-from=akpm@linux-foundation.org; receiver=lists.ozlabs.org) smtp.mailfrom=linux-foundation.org Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=JlZVB02S; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux-foundation.org (client-ip=2600:3c0a:e001:78e:0:1991:8:25; helo=sea.source.kernel.org; envelope-from=akpm@linux-foundation.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [IPv6:2600:3c0a:e001:78e:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4hkP5x3SlPz2y7p for ; Tue, 15 Sep 2026 11:08:20 +1000 (AEST) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 58995434C3; Tue, 15 Sep 2026 01:08:16 +0000 (UTC) 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) X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list 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.