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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3617C43387 for ; Thu, 20 Dec 2018 16:47:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 690E220869 for ; Thu, 20 Dec 2018 16:47:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=intel-com.20150623.gappssmtp.com header.i=@intel-com.20150623.gappssmtp.com header.b="hXbJyKN9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731953AbeLTQrw (ORCPT ); Thu, 20 Dec 2018 11:47:52 -0500 Received: from mail-oi1-f169.google.com ([209.85.167.169]:34399 "EHLO mail-oi1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731603AbeLTQrv (ORCPT ); Thu, 20 Dec 2018 11:47:51 -0500 Received: by mail-oi1-f169.google.com with SMTP id r62so2427090oie.1 for ; Thu, 20 Dec 2018 08:47:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sI7bwHbYAijeaUBXeZ6PRDz4NTwZhRzWaAh7mcZwI5I=; b=hXbJyKN9glTdOJX5WLb85KxgBftkNyVc+ecemjGFcYqV3PZU4nChGkCfblEAUxvi82 JnekDX5STu/0bbhwMLC8T9XM/s9s5gKNmzhVz12BrVPHnitbVL+rDog9A2Wbrswaf2+s 2NsCBTdfCUFkLN+TPJnjzSV2Q2cVVWdxPuuQKLZHCUWxzHZJFembSuN9TjFObVpbpPL4 csoPF01LlGuMFx3/0DtDKjDKYa6ZeTqz3vETCXUgstROJv1ehXeq1o05LT+9if+QRnYh zQ+KumwbzX+6K/5xiM2Zaz96n6DiCD4rig4FqOu/iRPkd7EKlviMESsvwP9TBPfgpyas hSnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sI7bwHbYAijeaUBXeZ6PRDz4NTwZhRzWaAh7mcZwI5I=; b=pz87ou5/fxkUj2Pa0a8sKkmnCg94w5XO3MNQzDm0jm4sf5vBcneya+WhnBAk8v7lXf Qsov3aR+KutNPTzVvlzGBP+haSIdzc1PKJw1id1HFIbm69fqgCpi+N6qgDvg/7tSkZ6R oT6qjViMazfRtqitfjWY4iax4mPVk9lwg9ujwDdaIhqKsI9HqBbV6WVNgf7ufKNlkufd T0wfz+Lcs5ouzfp9bhQKIYI/PxTFK/5aWBTotPLJnmO+Mm5dfSJ1muwO8ZdNxgX6TtQz 1UJzVSztKgzsv0JmTyVAi4esSWFWEOZgGQ+lf7Mptpm102kgM3gfbraoTNixx+ibHq3j kAtA== X-Gm-Message-State: AA+aEWav9OzyVC1h+OgVsEZ+Mp9A5FhofRcgY8sozS6QCIC5Nur/xef/ AkXKxGQwHwqPwHV5bjdCzJeIjFjnmrHjltOzPrUWQg== X-Google-Smtp-Source: AFSGD/UsVdLYgb28HPXi1k9t2yBinuvAuN2uAnk6NO1MPTD/rMq3iYwlMqn3/8qlSeNYzc7HJlSjuHCABOD/Qbae16I= X-Received: by 2002:aca:b804:: with SMTP id i4mr2753790oif.280.1545324471176; Thu, 20 Dec 2018 08:47:51 -0800 (PST) MIME-Version: 1.0 References: <20170817000548.32038-1-jglisse@redhat.com> <20170817000548.32038-8-jglisse@redhat.com> <20181220161538.GA3963@redhat.com> In-Reply-To: <20181220161538.GA3963@redhat.com> From: Dan Williams Date: Thu, 20 Dec 2018 08:47:39 -0800 Message-ID: Subject: Re: [HMM-v25 07/19] mm/ZONE_DEVICE: new type of ZONE_DEVICE for unaddressable memory v5 To: Jerome Glisse Cc: Andrew Morton , Linux Kernel Mailing List , linux-mm , John Hubbard , David Nellans , Balbir Singh , Ross Zwisler Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 20, 2018 at 8:15 AM Jerome Glisse wrote: [..] > > Rather than try to figure out how to forward declare pmd_t, how about > > just move dev_page_fault_t out of the generic dev_pagemap and into the > > HMM specific container structure? This should be straightfoward on top > > of the recent refactor. > > Fine with me. I was hoping you would reply with a patch. I'll take a look... 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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28E75C43444 for ; Thu, 20 Dec 2018 16:47:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BCDBB20869 for ; Thu, 20 Dec 2018 16:47:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=intel-com.20150623.gappssmtp.com header.i=@intel-com.20150623.gappssmtp.com header.b="hXbJyKN9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BCDBB20869 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 142CF8E0002; Thu, 20 Dec 2018 11:47:53 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F0A88E0001; Thu, 20 Dec 2018 11:47:53 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0061D8E0002; Thu, 20 Dec 2018 11:47:52 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from mail-ot1-f70.google.com (mail-ot1-f70.google.com [209.85.210.70]) by kanga.kvack.org (Postfix) with ESMTP id C8A078E0001 for ; Thu, 20 Dec 2018 11:47:52 -0500 (EST) Received: by mail-ot1-f70.google.com with SMTP id t13so1610890otk.4 for ; Thu, 20 Dec 2018 08:47:52 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:mime-version:references :in-reply-to:from:date:message-id:subject:to:cc; bh=sI7bwHbYAijeaUBXeZ6PRDz4NTwZhRzWaAh7mcZwI5I=; b=kcbxXGB8i2CCzMLKxl8BFPFui+3UiZGbAArzkPLZVr7R/8saW6/j7rZxTtt9EhfiJQ FFuE/Oxh1xHoWNDhlDpxKJEFHzgHEEXuuV2qIPMjDi3z5P9fWrDvLNEdlwa6EdPKarGu SGPd6gF+xvRgkYfGFdMbLjwVnnWuLXSpSOitEMMxBWvEPSqswhMv92PoOcXWRiso2HgC OsJ0XSDLJKhf8h/Owu/wVgfNmMf5HEA3tOF39VoBAqyWwMt123iOpuCTo5+WxK+qNwwJ 1ehzdaGyXQlbNJz7lrEIOEB9prBZuwHQgWSi5UloefuSGe6RtApAvTiUz8CTscL/bWTH d8Mw== X-Gm-Message-State: AA+aEWb9qK1QIqdOAsjH/3qb8COYTUtQ5DP6vfb1n+06X02vmtFc7B+M n+7zltZgVqoeLOVhnReL2WgEVrCpw15ZR5V3yh6iolNXzTCx9FdFxQhG4sGAlvMrIrh5PvU4hfj ZLO9SliP6J5QspuR/nmZ9P5SMtGgKM3Xwmx/bDHm9JOEmZX7Zw2Ee6TemCHP+C/zpqMKKhUt10A dCfkviCI9iyLVOd6PZLOiiZESF2Ot7/K3dpdHX7t97QcEplxbKBVk0qQHcju4MoaapES/yzS4IU 6WZ0LHnIGGW5Fvgq1ULQaNhGAuA6KMZV8a0GtiIOUKpYjmjSF6pyJkV3wym1+cl6FzJwLGXI8PO lCQpafNcVAt/ViEMtTO6nNmSLYtdWMsAoVveu6nybqmETKam9Gk4ICJVzEOB8Fxur6Qm4PjWi26 I X-Received: by 2002:a54:4114:: with SMTP id l20mr3025077oic.110.1545324472347; Thu, 20 Dec 2018 08:47:52 -0800 (PST) X-Received: by 2002:a54:4114:: with SMTP id l20mr3025053oic.110.1545324471637; Thu, 20 Dec 2018 08:47:51 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1545324471; cv=none; d=google.com; s=arc-20160816; b=vcNbB34D0fdbu4iNSVmPmQt31KUbLSHygnJWDKPLSNzi5FMd3v0ImcENWD5rOkRTTB +eAWsHuFKJBsmm91NWC1MfneJn5P4lccGuNrNtUXOk6hgLYHS3/J9rBtuae8vhlUcgLw EpoODk0B9th0ePGnZPjvgpc0MNrC4IkA6isYboLk5Wbz7AWouJAbM4sYtCwmJYCFKO+g mXudh+Sup8yYfX8+JxrUDSdQypE7HvjitC2SosjeN2+mjc6D+kW+yTsqV2rYA8k0+wPU 6NVm93ZMzQQdoohHo2nctKuXM1nejZRDyV7Ui+8whGuzR8A+4gCyKedpfhYVaduACY6Z gvXA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:dkim-signature; bh=sI7bwHbYAijeaUBXeZ6PRDz4NTwZhRzWaAh7mcZwI5I=; b=CcpvMrzNzP39tvACyecE2jzYyYkf38Ot5CtDREKX9YufEy641828yH/rN8fNn1QJH5 myNlXxuef4OueQx/mBz6HsBqRV5DeIS7mRG4Q3n9fhwFexIT+B/vpVJm91fJY8S95/Am rV173VfidU1MwmTC3X+pOlbhk3aOkuC3lo1xkA52scmS5oWctOTQlQrexsEPYEjS0c/N bkrDcq8eo7g9kjr9Hf7zD9/fY6cxT1SDBh9N+KFx0oSNmZGMg6+2dfIUlqgdKLa/FWCx Kcnx+4C/2AvDXqo2NOpMS0YYkBNfSJgW82KXCIVwpiOBweXARg5c0S75miImrbkbPMV/ BW2Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel-com.20150623.gappssmtp.com header.s=20150623 header.b=hXbJyKN9; spf=pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dan.j.williams@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id 66sor2966515oid.172.2018.12.20.08.47.51 for (Google Transport Security); Thu, 20 Dec 2018 08:47:51 -0800 (PST) Received-SPF: pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; Authentication-Results: mx.google.com; dkim=pass header.i=@intel-com.20150623.gappssmtp.com header.s=20150623 header.b=hXbJyKN9; spf=pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dan.j.williams@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sI7bwHbYAijeaUBXeZ6PRDz4NTwZhRzWaAh7mcZwI5I=; b=hXbJyKN9glTdOJX5WLb85KxgBftkNyVc+ecemjGFcYqV3PZU4nChGkCfblEAUxvi82 JnekDX5STu/0bbhwMLC8T9XM/s9s5gKNmzhVz12BrVPHnitbVL+rDog9A2Wbrswaf2+s 2NsCBTdfCUFkLN+TPJnjzSV2Q2cVVWdxPuuQKLZHCUWxzHZJFembSuN9TjFObVpbpPL4 csoPF01LlGuMFx3/0DtDKjDKYa6ZeTqz3vETCXUgstROJv1ehXeq1o05LT+9if+QRnYh zQ+KumwbzX+6K/5xiM2Zaz96n6DiCD4rig4FqOu/iRPkd7EKlviMESsvwP9TBPfgpyas hSnQ== X-Google-Smtp-Source: AFSGD/UsVdLYgb28HPXi1k9t2yBinuvAuN2uAnk6NO1MPTD/rMq3iYwlMqn3/8qlSeNYzc7HJlSjuHCABOD/Qbae16I= X-Received: by 2002:aca:b804:: with SMTP id i4mr2753790oif.280.1545324471176; Thu, 20 Dec 2018 08:47:51 -0800 (PST) MIME-Version: 1.0 References: <20170817000548.32038-1-jglisse@redhat.com> <20170817000548.32038-8-jglisse@redhat.com> <20181220161538.GA3963@redhat.com> In-Reply-To: <20181220161538.GA3963@redhat.com> From: Dan Williams Date: Thu, 20 Dec 2018 08:47:39 -0800 Message-ID: Subject: Re: [HMM-v25 07/19] mm/ZONE_DEVICE: new type of ZONE_DEVICE for unaddressable memory v5 To: Jerome Glisse Cc: Andrew Morton , Linux Kernel Mailing List , linux-mm , John Hubbard , David Nellans , Balbir Singh , Ross Zwisler Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Message-ID: <20181220164739.je3q-g0pbW2mE780f-fgLQkx7M7RJzDO3HsQvzK-RFU@z> On Thu, Dec 20, 2018 at 8:15 AM Jerome Glisse wrote: [..] > > Rather than try to figure out how to forward declare pmd_t, how about > > just move dev_page_fault_t out of the generic dev_pagemap and into the > > HMM specific container structure? This should be straightfoward on top > > of the recent refactor. > > Fine with me. I was hoping you would reply with a patch. I'll take a look...