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=-8.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable 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 20283C10F29 for ; Tue, 17 Mar 2020 14:39:13 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CDE99206EC for ; Tue, 17 Mar 2020 14:39:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CDE99206EC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.vnet.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48hbQk2CgMzDqf9 for ; Wed, 18 Mar 2020 01:39:10 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.vnet.ibm.com (client-ip=148.163.158.5; helo=mx0b-001b2d01.pphosted.com; envelope-from=srikar@linux.vnet.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48hZ3H3fGXzDqfs for ; Wed, 18 Mar 2020 00:37:15 +1100 (AEDT) Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02HDVolx086689 for ; Tue, 17 Mar 2020 09:37:13 -0400 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0a-001b2d01.pphosted.com with ESMTP id 2yrt353dns-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 17 Mar 2020 09:37:12 -0400 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 17 Mar 2020 13:37:05 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 02HDb4rH55771218 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Mar 2020 13:37:05 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CC7BF11C052; Tue, 17 Mar 2020 13:37:04 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A1F1F11C04A; Tue, 17 Mar 2020 13:37:02 +0000 (GMT) Received: from linux.vnet.ibm.com (unknown [9.126.150.29]) by d06av25.portsmouth.uk.ibm.com (Postfix) with SMTP; Tue, 17 Mar 2020 13:37:02 +0000 (GMT) Date: Tue, 17 Mar 2020 19:07:01 +0530 From: Srikar Dronamraju To: Andrew Morton Subject: Re: [PATCH 1/4] mm: Check for node_online in node_present_pages References: <3381CD91-AB3D-4773-BA04-E7A072A63968@linux.vnet.ibm.com> <20200317131753.4074-1-srikar@linux.vnet.ibm.com> <20200317131753.4074-2-srikar@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20200317131753.4074-2-srikar@linux.vnet.ibm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-TM-AS-GCONF: 00 x-cbid: 20031713-4275-0000-0000-000003ADD11A X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20031713-4276-0000-0000-000038C2FA07 Message-Id: <20200317133701.GA4334@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.645 definitions=2020-03-17_04:2020-03-17, 2020-03-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=999 mlxscore=0 spamscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 impostorscore=0 malwarescore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003170058 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Srikar Dronamraju Cc: Sachin Sant , Michal Hocko , linux-mm@kvack.org, Kirill Tkhai , Mel Gorman , Christopher Lameter , Bharata B Rao , linuxppc-dev@lists.ozlabs.org, Joonsoo Kim , Vlastimil Babka Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" * Srikar Dronamraju [2020-03-17 18:47:50]: > > Reported-by: Sachin Sant > Tested-by: Sachin Sant > Signed-off-by: Srikar Dronamraju > --- > include/linux/mmzone.h | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h > index f3f264826423..88078a3b95e5 100644 > --- a/include/linux/mmzone.h > +++ b/include/linux/mmzone.h > @@ -756,8 +756,10 @@ typedef struct pglist_data { > atomic_long_t vm_stat[NR_VM_NODE_STAT_ITEMS]; > } pg_data_t; > > -#define node_present_pages(nid) (NODE_DATA(nid)->node_present_pages) > -#define node_spanned_pages(nid) (NODE_DATA(nid)->node_spanned_pages) > +#define node_present_pages(nid) \ > + (node_online(nid) ? NODE_DATA(nid)->node_present_pages : 0) > +#define node_spanned_pages(nid) \ > + (node_online(nid) ? NODE_DATA(nid)->node_spanned_pages : 0) > #ifdef CONFIG_FLAT_NODE_MEM_MAP > #define pgdat_page_nr(pgdat, pagenr) ((pgdat)->node_mem_map + (pagenr)) > #else If we indeed start having pgdat/NODE_DATA for even offline nodes as Michal Hocko, then we may not this particular patch. -- Thanks and Regards Srikar Dronamraju