From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-183.mta0.migadu.com (out-183.mta0.migadu.com [91.218.175.183]) (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 3943D31ED8B for ; Tue, 2 Jun 2026 02:47:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780368436; cv=none; b=ptP6pcbNaLU1CYyKJOghCd5ysHpt/dxV3lBbAOpWF6sWBvZ3QD3gSeD1Dn8wJNwzOA/n3SOnWDM+sTcqU4RwOFCUhhn6CVGfUGmb7v7mGj7r1AS5tUOJt3haibFy2aQKTbSabsbZvF6IeDagmneN3xUrYGEo2q/1zAOv/LnAUCw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780368436; c=relaxed/simple; bh=jGmf/himYOssnxkiYCGhSl5qC3ScSmdh3I8Xl9A39JM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=s8AZ1RbTAbpRqnlkcmGTaVcQkiaS83yVdlDieGzOL+lrKj5zewN8HQM4Dr3XoRLtfGdJL/4+BAV27zstBZiIAahRGPiLHFuKKcOne6ISMeHTn08q9Znr2Sv8fAO8TQ4uHtMeM14T2ukkeqlPQMUEnm4/+4QNep75bQQbp9uoNK0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=LkPFv9Yx; arc=none smtp.client-ip=91.218.175.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="LkPFv9Yx" Message-ID: <2e9175ab-f9be-44c6-bf1a-a82aeed18f98@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1780368422; h=from:from: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; bh=DzEYFBO0HPhxlPtDd2N2r80uc2UpuMcmthR9XLKa9lY=; b=LkPFv9YxAbgRgjzFP5BMJD5UzFP+Pyiqo/D36+oL993VEh6AhN+ezGxDUcCS9s1mF8idFo bKX0IsY3IN9aHJ9n2qaT7GDgfkgtCEo4nxE73t6M0xRyIHtFkbgoKVcmNlAMsIba1f1TGR 1etFxbBwPJy0kyfvqYoI+XbTR08elbs= Date: Tue, 2 Jun 2026 10:46:35 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH 0/15] mm: introduce ANON_VMA_LAZY for deferred anon_vma creation Content-Language: en-US To: Barry Song , wangtao Cc: Lorenzo Stoakes , "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" , "david@kernel.org" , "willy@infradead.org" , "sj@kernel.org" , "kees@kernel.org" , "luizcap@redhat.com" , "zhangjiao2@cmss.chinamobile.com" , "kas@kernel.org" , "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" , "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> <99dfc4a50f3643a6bef6deaeccfcf115@honor.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Lance Yang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT On 2026/6/2 10:15, Barry Song wrote: > On Mon, Jun 1, 2026 at 9:46 AM wangtao wrote: > [...] >> >> You said discussion was welcome, yet when someone offered even a >> small comment, you refused to continue the discussion. >> >> If I had known you would be this inconsistent, I would not have >> replied to you in the first place. >> >> This will be my last reply to you. I will not respond again. >> > > Hi Tao, > > Please don't walk away from the linux-mm community. I read your > patchset and found it quite valuable. It not only reduces memory > overhead, but also eliminates rmap costs for exclusive folios. > > Since I'm not very confident discussing technical topics in English, > I wrote a blog post in Chinese about your patchset: > > https://mp.weixin.qq.com/s/k00tzhTl8HbL3k4G6ev4SA > > I have to admit that I found the implementation quite complex and > in need of significant improvement. However, I think the underlying > idea is very interesting and worth exploring further. > > I'm looking forward to seeing a v2 RFC with a cleaner and simpler > implementation while preserving the core concept. > > Regardless of whether it ultimately gets merged, I hope the discussion > can continue. Same here :) Tao, please don't let this thread get you down. No first RFC is perfect, and the idea still looks worth discussing :) Thanks for working on this! Cheers, Lance