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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 1BA0CC7EE2E for ; Fri, 2 Jun 2023 12:15:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=1R3ieB2TpvLvcPSpM/n5uE2kahLPej2fNyMHMYXnIbk=; b=rJ0zZD8JXHUHx2 ZGxQHYrKfh4Mop0AJTd+bnoAuStVbEI4e2NRT8nBkEqjeBJnypFouYKuE6S/dQCNMOaO9agbdaH4Y jAVaSwtohD807Jjtf1dXjK1QjyHt8ih2peBPDISBX++EQqmhNwSr/fxMtw4q7DvBYqrT4TnNa4ab+ TOLVoAZ+O0qFfnXdZ/zg4bx/DF+BQTSXJecxTkq3Kozu9TxftrPLliRh1ogITXJwe352jyC0mtemN ijr3hb/rolAGqi8GY8MmXz299tNnzepfjfwAjvY/hlxTUu4aTsq6SueS+YdXopPU9aPOzmz2FyuwX KGqLwPL1ZuZxZpKVq7FQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q53gU-006rUb-28; Fri, 02 Jun 2023 12:15:10 +0000 Received: from mail-qk1-x72f.google.com ([2607:f8b0:4864:20::72f]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q53gR-006rSH-2p for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2023 12:15:09 +0000 Received: by mail-qk1-x72f.google.com with SMTP id af79cd13be357-75b0b5c9eb8so192940785a.1 for ; Fri, 02 Jun 2023 05:15:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1685708105; x=1688300105; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=E6fUqXWlJ7lOi6jGaXDr+3k1lI6v7YmcWJa5TzCsAfQ=; b=djzFovwDfDw/YWbNLlEkijaHy+/emg+qoFOhQt066k8y7eW0hTlMePfrnYmuQ/TT6l d70TUlIzOVtlyaZIA/kRvBZRW52TVi/fieL9Uv4tiaV3F1pWuXYr7FBQh9RfbRxnphIn nIOOpE05COs4CBgwbOrTscQAp+nS6Tk8Iv2UDHWeAHyeCW+fEyc3ctU7cgeLL3sBwLok ifN7Ap+HhdKODLWUosw9jkC+w1v/s/a6CGlG9Me6OF17ZaxzMYB4I1oIF5wWR3fHyTGr 08q6Rpe08Gpj6mZ/RNU2DbMTQT+rS4iJPNpmpLyZGzEJB5e0jQtm57AIXlZP3QoFdL6G nNRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685708105; x=1688300105; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=E6fUqXWlJ7lOi6jGaXDr+3k1lI6v7YmcWJa5TzCsAfQ=; b=eolluKazU4ZTgenXs+EuKogkB4PX1p072nc9uHGnLZ3Jc3sphLIefqftr06GcrdBK9 f2ywwGHd0xBp4U5OTePLZMRqDI0pDQoHsss+0GIvZk3QBOOVbFXEle6kp4TCVVVQWx3P 0k6IbE/d20KvYebvY9cn2Nx4B1WKQgcK8n7ddJjloGP/dadoEV6N7IvpYXj6punmsc+c g09c53ABAIA6kOCNwmAe/3t0T+wrIPAJXWqzBdtdiZPQrVruh90Td36vH3QiAgVf2bQY TAGGQMbVOj16GYFdfkn5d45EQFqKZWWykeq0ISMFUP1INoDCX/gzVCazRPdJq0SqHIbV uiIg== X-Gm-Message-State: AC+VfDzCV2Zs019aEsYA3zxiqeSknRmryvhAjbJCts0NB2neETgHqOyS JhR/Uxq2G/du+t7c5UL0Sw+jCg== X-Google-Smtp-Source: ACHHUZ6mKX5TGzVXplRRXyH/OZZR/wmHkSAtgpVVJf05zVAhB435FtzWVMzs8VPH+7iFQ08B9IrtzA== X-Received: by 2002:a05:620a:4481:b0:75b:23a0:e7cc with SMTP id x1-20020a05620a448100b0075b23a0e7ccmr17244216qkp.45.1685708104769; Fri, 02 Jun 2023 05:15:04 -0700 (PDT) Received: from ziepe.ca ([206.223.160.26]) by smtp.gmail.com with ESMTPSA id p18-20020ae9f312000000b0075cad1e5907sm581918qkg.7.2023.06.02.05.15.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jun 2023 05:15:04 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1q53gM-001uE9-W9; Fri, 02 Jun 2023 09:15:03 -0300 Date: Fri, 2 Jun 2023 09:15:02 -0300 From: Jason Gunthorpe To: Hugh Dickins Cc: Andrew Morton , Mike Kravetz , Mike Rapoport , "Kirill A. Shutemov" , Matthew Wilcox , David Hildenbrand , Suren Baghdasaryan , Qi Zheng , Yang Shi , Mel Gorman , Peter Xu , Peter Zijlstra , Will Deacon , Yu Zhao , Alistair Popple , Ralph Campbell , Ira Weiny , Steven Price , SeongJae Park , Naoya Horiguchi , Christophe Leroy , Zack Rusin , Axel Rasmussen , Anshuman Khandual , Pasha Tatashin , Miaohe Lin , Minchan Kim , Christoph Hellwig , Song Liu , Thomas Hellstrom , Russell King , "David S. Miller" , Michael Ellerman , "Aneesh Kumar K.V" , Heiko Carstens , Christian Borntraeger , Claudio Imbrenda , Alexander Gordeev , Jann Horn , linux-arm-kernel@lists.infradead.org, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 08/12] mm/pgtable: add pte_free_defer() for pgtable as page Message-ID: References: <35e983f5-7ed3-b310-d949-9ae8b130cdab@google.com> <739964d-c535-4db4-90ec-2166285b4d47@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230602_051507_915398_62D92478 X-CRM114-Status: GOOD ( 13.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Jun 01, 2023 at 11:03:11PM -0700, Hugh Dickins wrote: > > I was hoping Mathew's folio conversion would help clarify this.. > > I doubt that: what we have for use today is pages, however they are > dressed up. I mean the part where Matthew is going and splitting the types and making it much clearer and type safe how the memory is layed out. eg no more guessing if the arch code is overlaying something else onto the rcu_head. Then the hope against hope is that after doing all this we can find enough space for everything including the rcu heads.. Jason _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel