From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1948013AbdDYO2S (ORCPT ); Tue, 25 Apr 2017 10:28:18 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:33678 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1947997AbdDYO2E (ORCPT ); Tue, 25 Apr 2017 10:28:04 -0400 From: Laurent Dufour To: Naoya Horiguchi Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org Subject: [PATCH v2 2/2] mm: skip HWPoisoned pages when onlining pages Date: Tue, 25 Apr 2017 16:27:52 +0200 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1493130472-22843-1-git-send-email-ldufour@linux.vnet.ibm.com> References: <1493130472-22843-1-git-send-email-ldufour@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17042514-0012-0000-0000-0000051680D4 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17042514-0013-0000-0000-000018335DB2 Message-Id: <1493130472-22843-3-git-send-email-ldufour@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-04-25_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1704250262 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The commit b023f46813cd ("memory-hotplug: skip HWPoisoned page when offlining pages") skip the HWPoisoned pages when offlining pages, but this should be skipped when onlining the pages too. Signed-off-by: Laurent Dufour --- mm/memory_hotplug.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 6fa7208bcd56..741ddb50e7d2 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -942,6 +942,10 @@ static int online_pages_range(unsigned long start_pfn, unsigned long nr_pages, if (PageReserved(pfn_to_page(start_pfn))) for (i = 0; i < nr_pages; i++) { page = pfn_to_page(start_pfn + i); + if (PageHWPoison(page)) { + ClearPageReserved(page); + continue; + } (*online_page_callback)(page); onlined_pages++; } -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f197.google.com (mail-wr0-f197.google.com [209.85.128.197]) by kanga.kvack.org (Postfix) with ESMTP id 110806B0350 for ; Tue, 25 Apr 2017 10:28:05 -0400 (EDT) Received: by mail-wr0-f197.google.com with SMTP id o89so18885745wrc.1 for ; Tue, 25 Apr 2017 07:28:05 -0700 (PDT) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id h206si4325698wmf.146.2017.04.25.07.28.03 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Apr 2017 07:28:03 -0700 (PDT) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v3PEORvp015112 for ; Tue, 25 Apr 2017 10:28:02 -0400 Received: from e06smtp13.uk.ibm.com (e06smtp13.uk.ibm.com [195.75.94.109]) by mx0b-001b2d01.pphosted.com with ESMTP id 2a1v4rvqsv-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 25 Apr 2017 10:28:02 -0400 Received: from localhost by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 25 Apr 2017 15:27:59 +0100 From: Laurent Dufour Subject: [PATCH v2 2/2] mm: skip HWPoisoned pages when onlining pages Date: Tue, 25 Apr 2017 16:27:52 +0200 In-Reply-To: <1493130472-22843-1-git-send-email-ldufour@linux.vnet.ibm.com> References: <1493130472-22843-1-git-send-email-ldufour@linux.vnet.ibm.com> Message-Id: <1493130472-22843-3-git-send-email-ldufour@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Naoya Horiguchi Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org The commit b023f46813cd ("memory-hotplug: skip HWPoisoned page when offlining pages") skip the HWPoisoned pages when offlining pages, but this should be skipped when onlining the pages too. Signed-off-by: Laurent Dufour --- mm/memory_hotplug.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 6fa7208bcd56..741ddb50e7d2 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -942,6 +942,10 @@ static int online_pages_range(unsigned long start_pfn, unsigned long nr_pages, if (PageReserved(pfn_to_page(start_pfn))) for (i = 0; i < nr_pages; i++) { page = pfn_to_page(start_pfn + i); + if (PageHWPoison(page)) { + ClearPageReserved(page); + continue; + } (*online_page_callback)(page); onlined_pages++; } -- 2.7.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org