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 09EFD1A316E; Tue, 7 Jul 2026 07:01:22 +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=1783407683; cv=none; b=RK7LmVh2PnRPHYKQfMR62/BsRgv/UYgueVS9HU8OE5AcoiKcw278t9HCxJsn3vK/UYVNuh/nCHO8y0pZOxoRmjB3hSjnfVrDmxCps4Yurlb7uAgFJH+OVW2u2V4FPr4NOyZITnf6A5AajS7pB0gMXtHVarLWNDFHlo6pa0hrWyU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783407683; c=relaxed/simple; bh=B7v0qCDdW1i4EQzSPifX1KM5ShPQX1Smvakw3W17q8w=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Ok5nSCPI4N6fRt+tEQNLJDbI1y3oBxC9VulNuFfwZ0YLrXPOYe9Kv0JC1PYDp6iLmj19R5teroW7brJx9DitQ1bTlp82FwoQvcYUf+FdOrVVhtDFr4k8DwCJm9hHUvIdWCI2bMqBtjeNm0sAuJvmbu1+MbUxlBYKNDLXOAV6ago= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RoZG+FAi; 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="RoZG+FAi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61CD71F000E9; Tue, 7 Jul 2026 07:01:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783407681; bh=8nMQF9iK728jaHfWKAl1oxb3wEavhMGIGIQQBs08uWU=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=RoZG+FAiYOh7N/YyQC+cC7CslMmQU2SOM06P5nPWu1gu2qX2Ye3qHB0GWnn7sIBVt 7NLWJ2C9ORJQKRRKgoXoaB2KFiaBFu5gkdfNewh/Y+HO0NAQJOg4K3FpOWyMCkvSEf oDz3UESvJxy4dJcABhpe8VUAjM7/MIVkVWBaLpMXUF+vKN60NZeiBfyfvrdhgzL9Qx YVemSw8dsdOHBqyABeulcUCCtEVqqLEEZB9dGtAXq5zzcD8kL+DjkJJHr2DlS0N1bX 6Uylhickpd+JF3duYPoAueIzC0jgRPQw6vqjmYvKycbMktocEwWvSg7H5NwaEazYZI KQ9WDnMScRCEw== Message-ID: <08c001ab-320f-4676-830b-8e4ba6a05dee@kernel.org> Date: Tue, 7 Jul 2026 09:01:04 +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: [RFC PATCH v2 00/13] mm: rework anon_vma and remove anon_vma_chain To: tao , akpm@linux-foundation.org, catalin.marinas@arm.com, will@kernel.org, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, willy@infradead.org, sj@kernel.org, kees@kernel.org, luizcap@redhat.com, zhangjiao2@cmss.chinamobile.com, kas@kernel.org, ljs@kernel.org Cc: hpa@zytor.com, liam@infradead.org, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, jack@suse.cz, riel@surriel.com, harry@kernel.org, jannh@google.com, jgg@ziepe.ca, jhubbard@nvidia.com, peterx@redhat.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, xu.xin16@zte.com.cn, chengming.zhou@linux.dev, muchun.song@linux.dev, baoquan.he@linux.dev, nao.horiguchi@gmail.com, matthew.brost@intel.com, joshua.hahnjy@gmail.com, rakie.kim@sk.com, byungchul@sk.com, gourry@gourry.net, ying.huang@linux.alibaba.com, apopple@nvidia.com, pfalcato@suse.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, damon@lists.linux.dev, shakeel.butt@linux.dev, ryncsn@gmail.com, jparsana@google.com, dvander@google.com, zhangji1@honor.com, wangzicheng@honor.com References: <20260707063308.29176-1-tao.wangtao@honor.com> 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 7/7/26 08:32, tao wrote: > Hi all, > > Since v1 was relatively complex and difficult to extend, this version > adopts a simpler anon_vma implementation approach. I really hate to repeat myself, but you seemed to have missed my main point [1] "Lorenzo has been hard at work exploring various design options (and I'm afraid he might be one of the 3 people on this planet that understand anon_vma in full detail), so I suggest we wait for a redesign proposal from him and see if that is doable?" [1] https://lore.kernel.org/all/70377626-500d-46f2-a3f5-a0d2914ce365@kernel.org/ -- Cheers, David