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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0D556CD98C5 for ; Tue, 9 Jun 2026 15:50:12 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1BD846B0088; Tue, 9 Jun 2026 11:50:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 16E456B008A; Tue, 9 Jun 2026 11:50:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 05D9F6B0093; Tue, 9 Jun 2026 11:50:11 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id EC28C6B0088 for ; Tue, 9 Jun 2026 11:50:10 -0400 (EDT) Received: from smtpin13.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 2B6121205CF for ; Tue, 9 Jun 2026 15:50:10 +0000 (UTC) X-FDA: 84860810580.13.04D805A Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf13.hostedemail.com (Postfix) with ESMTP id 59B7B2000F for ; Tue, 9 Jun 2026 15:50:08 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=ASvn7p88; spf=pass (imf13.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1781020208; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=+6ca8f6AenMP5/UR7PWnMaRzDw2gdfs9meohUMPYEus=; b=JgrwgPnbQrabzfQtQw9ifZBbusqdNT0AS35MbWqyAmfb92+Af+Tnt/gFh03SxdYPjOHiV0 G1NMaHteecl73WYl9DMhRdhncZLQmMNRCcaY1tisYipAL7QALJF/C2ZltgvXeimLtRAtEr mn9cC6TRv2Ic/0TjN2CH71n06XB6I4s= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1781020208; b=LIahtQS8VDFebs4sJG1fZdPLLR+KO04NKowBmTAOOOTIadVoWGvxyxKQLz1DMckCI7dpPq VbPwp0TsUvrzyR0GUbUCdo5T3Olk0wgbmeXoY0cy0RDQLAVD4m4T7AmakEpNQKsejFibCR FQwQMrobODoJ359hoU9bDSCWkCrsDOE= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=ASvn7p88; spf=pass (imf13.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id C714760200; Tue, 9 Jun 2026 15:50:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A383F1F00893; Tue, 9 Jun 2026 15:49:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781020207; bh=+6ca8f6AenMP5/UR7PWnMaRzDw2gdfs9meohUMPYEus=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=ASvn7p88F0WRoejGuta8L9QUPPOQOzGZ2NwmMoYFmN85JAekN35RbRvgdEyuSszvN JzopCrfKdRaraz3L2scLYsMAC0mBiAZMroj97fwml39BA1teMO4yom+XzLDV2tk8FS 9Mgps9oUyBwQRZCJtBrBBhl9iHy5PvYMkCwugppYf8PZwKshqmvoVCe/tCxBJPfXvN Pj5Qb5ZymYbQNTFcrl4kK7PHx2XaBtlAIgbPWHR3aFs99UaH4hh8dRJ5mchepwX0gF py0RMYFZTWox9FT1+d9hybA1vBg5p4EyT404g5c8jfXSGT7pyCVlZIjT9klWIRc+Ct nZodw50PYqRUg== Message-ID: Date: Tue, 9 Jun 2026 17:49:51 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/15] mm: introduce ANON_VMA_LAZY for deferred anon_vma creation To: Suren Baghdasaryan , wangtao Cc: Barry Song <21cnbao@gmail.com>, "catalin.marinas@arm.com" , "will@kernel.org" , "tglx@kernel.org" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "x86@kernel.org" , "akpm@linux-foundation.org" , "willy@infradead.org" , "sj@kernel.org" , "kees@kernel.org" , "luizcap@redhat.com" , "zhangjiao2@cmss.chinamobile.com" , "kas@kernel.org" , "ljs@kernel.org" , "hpa@zytor.com" , "liam@infradead.org" , "vbabka@kernel.org" , "rppt@kernel.org" , "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" , "lance.yang@linux.dev" , "xu.xin16@zte.com.cn" , "chengming.zhou@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" , zhangji , wangzicheng References: <20260527110147.17815-1-tao.wangtao@honor.com> <70377626-500d-46f2-a3f5-a0d2914ce365@kernel.org> <273d02a1af954b8c9f4da7fb74e6b4cb@honor.com> <3031859912bb43a7ab16ec63863914ab@honor.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 59B7B2000F X-Stat-Signature: fri9dqfsaia6utyb88ttkh5b55sm8fdf X-HE-Tag: 1781020208-82961 X-HE-Meta: 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 yVC38NGV RsdrPhfJZT9zhxssMsk0EIunFfExO2LODLpkjMBnJTsAYY7S6dRk9fk0TUUzCggVxurhrDPHs8HPeXAOIfSSCro37Q5V1zJ1Z7sf8bhpE+R8hlVxjIutb//saPksKDZUvskOu4RFMGK8F6EenGZwMOzY+VuLwChojfrDrJCsoIHovdFqGuHypy+eTVlCTaacivb2N/JmKGI0xmCMA2D4iVargUBPrB8LNdpSxGUNYYw5Wd2SzoQBo1YouZZwr8eXVr4+tUjk/fleR9AT2AwEapn3CRcc05fnWTuZPuNrM5UbY6xVbSmgmBS8ABGijoGbelbqOKRbiAIsW2hVh3nOVcotUr+pv9WYsLaVwqmrvYClzLpO/Gwmtt9kOJM2rG2McqxEYp+ZwRzR2VHHixdjlKYmhX8JOejyieZovEZ3tfplQDSo= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On a separate note, it's very encouraging to see more Android partners > becoming active upstream. Oh, absolutely, well said Suren! > For years partners developed optimizations > in isolation without engaging with the community or sharing their > ideas. This is a very positive development which I believe will > benefit both the community and the engaging partners. From my own > experience, learning to collaborate upstream takes time, but once it's > done the experience is very rewarding and oftentimes even the biggest > critics turn into supporters. The key is to listen to the feedback, > ignore harsh words and realize that people here ultimately have the > same goals. So, don't be discouraged by this experience. I think the > biggest mistake here was the lack of prior discussions or RFCs for > such a big and invasive change. Agreed with all. If there is some question regarding how to best contribute upstream (with code or review ;) ) people can always feel free to reach out to me, and I am sure, to pretty much anybody else that is an active MM contributor! -- Cheers, David