From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ms.lwn.net (ms.lwn.net [45.79.88.28]) (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 80B843B8BA1; Fri, 29 May 2026 15:07:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.79.88.28 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780067258; cv=none; b=gNALC5lU320GyuG99gzFoX/G+SXcZQH40z8tPb3H2/gvp2uggoui0VFNL81EK5caFgij20L6JjSvra1tByaGli2Vpos48YhIWtLftSgmCGd1SjAde+xD9EmiUuCJpuzDv/JhWEN9KZ1I8r6Nn121ctoSwhqlYKm/m5xYl6USewg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780067258; c=relaxed/simple; bh=Pil606WUH2ip76AQan+V+uJr/Ad8H1Jaot/pJ/IfzkA=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=ET6WdsHLuhxP1egxUgbCkWzkhBS9A/iLmlrvvX55eWO0eaMcLyTgE7A/4Ebd9y/VBzMh8+IeON0dRVZEs7+cIeOrhp1QFbJyvGdxAULlR2ZawLCIngPbP9nuiIehzByLHwcoheHDU2UXaS+DjFWqpnekUBUSMhEWPB1eBrbWkHY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lwn.net; spf=pass smtp.mailfrom=lwn.net; dkim=pass (2048-bit key) header.d=lwn.net header.i=@lwn.net header.b=YHFXwrZp; arc=none smtp.client-ip=45.79.88.28 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lwn.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lwn.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lwn.net header.i=@lwn.net header.b="YHFXwrZp" DKIM-Filter: OpenDKIM Filter v2.11.0 ms.lwn.net 10C8440E37 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lwn.net; s=20201203; t=1780067251; bh=ebIP9u+W/NdprxD2plfJ1x4u07OsUSk6F8cbjhxlAs4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=YHFXwrZpXpELJCTLz1aonU6ujOlC3U+3KBMyzDRJIeqAQxcKO89EUcmvxyoUQM96G GofDbotXK9F4W+ymH9hdnOnS1IvDgr+Lwj66tJhtDzp5UmEbp+e5byw5Etm+YfUK7D /Ecut4iJxA08ifiuuZA6Vcwyd0e4utrKgns8b6tGmNx2OtCMX5T+skVL1jEXVmAbCL 2QNrsrRMp72ArGrSCZhPWChA7mnro+R7Uv2NUXuEvWX6U49hDb9rCBCBah+o8+OAx/ +rLwQA0b7r+EZwuhVhdFVhVfiBkLpFeYS21diLH8um6X9eUyPadg/1mjT/mKpeCdmY G6+x3PczFpJBw== Received: from localhost (mdns.lwn.net [45.79.72.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 10C8440E37; Fri, 29 May 2026 15:07:31 +0000 (UTC) From: Jonathan Corbet To: Barry Song , Lorenzo Stoakes Cc: wangtao , "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" , "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 Subject: Re: [PATCH 0/15] mm: introduce ANON_VMA_LAZY for deferred anon_vma creation In-Reply-To: References: <20260527110147.17815-1-tao.wangtao@honor.com> Date: Fri, 29 May 2026 09:07:30 -0600 Message-ID: <87qzmu2r0t.fsf@trenco.lwn.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Barry Song writes: > After coming back from Zagreb, I kept trying to find one or > two full days to read Lorenzo's code and slides carefully and > write a blog about them. Unfortunately, I have been completely > busy with other work. Sigh... we always seem to have too many > non-upstream tasks. > > If possible, I'd really appreciate it if you could take a > deep dive into it and write a detailed blog post. I'd be > very eager to read it and better understand the overall design. > Otherwise, I'll try to find some time next week or later to > go through it myself. It's still somewhat superficial, but in case it's helpful: https://lwn.net/Articles/1072378/ jon