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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 7D273C433E0 for ; Wed, 24 Jun 2020 20:57:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5E71F2075A for ; Wed, 24 Jun 2020 20:57:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="bjqrym/o" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388436AbgFXU5w (ORCPT ); Wed, 24 Jun 2020 16:57:52 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:50726 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728798AbgFXU5v (ORCPT ); Wed, 24 Jun 2020 16:57:51 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 05OKpunX185741; Wed, 24 Jun 2020 20:57:24 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=ty3w8xpTnMPzIpUtbRqIPAJ/vjriMvgnVtCYrWWp+Nw=; b=bjqrym/ooenwrzyTjXESct92fVOKuaUBNskCLklrc99NYwiaNvsNLg4Lbw/IFmvxQaGe pse19I9W+rRq54B4mcw2SFOuzJPl5Y1nT9P9Kuo7S2mdR2R6QSgiQvEQq7N1lSaRMfft pBneuAnd32pGRMQGGVSD5R9eHrZAdn0GClzHoE/lRaLpW6KOiuAVJ5uZk6LGu6fEwlOm nfsF7Lib67vNbajgwo+X8ykrRVUcrDPrtwrbvJ+bdFK7FWOo5B+wDItyW1g7LOJBxhAc KNn94p9bQWwAIm4m9UgBGxSteYOy4aiFo0TyFMf8hNRudKQMYCAVwNUgXZk9h4nKFtqr gQ== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2120.oracle.com with ESMTP id 31uustn581-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 24 Jun 2020 20:57:23 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 05OKsABf090852; Wed, 24 Jun 2020 20:57:23 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3020.oracle.com with ESMTP id 31uur7apw0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 24 Jun 2020 20:57:23 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 05OKvJV4029857; Wed, 24 Jun 2020 20:57:20 GMT Received: from [10.159.255.168] (/10.159.255.168) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 24 Jun 2020 20:57:19 +0000 Subject: Re: [RFC] Make the memory failure blast radius more precise To: David Rientjes , "Luck, Tony" , Mike Kravetz , "Dr. David Alan Gilbert" , Peter Xu , Andrea Arcangeli Cc: Matthew Wilcox , Borislav Petkov , Naoya Horiguchi , linux-edac@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, "Darrick J. Wong" References: <20200623201745.GG21350@casper.infradead.org> <20200623220412.GA21232@agluck-desk2.amr.corp.intel.com> From: Jane Chu Organization: Oracle Corporation Message-ID: <19ffec14-28c7-fddc-3042-6ccb8d4e83fa@oracle.com> Date: Wed, 24 Jun 2020 13:57:17 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9662 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 spamscore=0 adultscore=0 malwarescore=0 mlxscore=0 mlxlogscore=999 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006240135 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9662 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 mlxlogscore=999 cotscore=-2147483648 adultscore=0 bulkscore=0 spamscore=0 phishscore=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1011 impostorscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006240135 Sender: linux-edac-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org Hi, David, On 6/23/2020 9:32 PM, David Rientjes wrote: > I don't want to hijack Matthew's thread which is primarily about DAX, but > did get intrigued by your concerns about hugetlbfs page poisoning. We can > fork the thread off here to discuss only the hugetlb application of this > if it makes sense to you or you'd like to collaborate on it as well. hugetlbfs is not supported in DAX, are you planning to add support? thanks, -jane