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Wed, 1 Apr 2020 16:10:20 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 302ga0s8j5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 01 Apr 2020 16:10:20 +0000 Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 031GAHbs000767; Wed, 1 Apr 2020 16:10:17 GMT Received: from ca-dmjordan1.us.oracle.com (/10.211.9.48) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 01 Apr 2020 09:10:16 -0700 Date: Wed, 1 Apr 2020 12:10:36 -0400 From: Daniel Jordan To: David Hildenbrand Cc: Daniel Jordan , Pankaj Gupta , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Duyck , Andrew Morton , Baoquan He , Kirill Tkhai , Michal Hocko , Oscar Salvador , Pavel Tatashin , Shile Zhang , Yiqian Wei Subject: Re: [PATCH v1 0/2] mm/page_alloc: fix stalls/soft lockups with huge VMs Message-ID: <20200401161036.oqk3dakako33bv3o@ca-dmjordan1.us.oracle.com> References: <20200401104156.11564-1-david@redhat.com> <596d593e-7f36-0e24-6c67-311bd6971e89@redhat.com> <20200401144529.7zkqq4rfdnitg32h@ca-dmjordan1.us.oracle.com> <8d481b8e-7ffc-e9f5-604b-f90856b2b38a@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8d481b8e-7ffc-e9f5-604b-f90856b2b38a@redhat.com> User-Agent: NeoMutt/20180716 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9578 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 spamscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004010139 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9578 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 priorityscore=1501 mlxlogscore=999 bulkscore=0 suspectscore=0 mlxscore=0 spamscore=0 impostorscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004010138 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: On Wed, Apr 01, 2020 at 05:54:40PM +0200, David Hildenbrand wrote: > On 01.04.20 16:45, Daniel Jordan wrote: > > On Wed, Apr 01, 2020 at 04:31:51PM +0200, Pankaj Gupta wrote: > >>> On 01.04.20 12:41, David Hildenbrand wrote: > >>>> Two fixes for misleading stall messages / soft lockups with huge nodes / > >>>> zones during boot without CONFIG_PREEMPT. > >>>> > >>>> David Hildenbrand (2): > >>>> mm/page_alloc: fix RCU stalls during deferred page initialization > >>>> mm/page_alloc: fix watchdog soft lockups during set_zone_contiguous() > >>>> > >>>> mm/page_alloc.c | 2 ++ > >>>> 1 file changed, 2 insertions(+) > >>>> > >>> > >>> Patch #1 requires "[PATCH v3] mm: fix tick timer stall during deferred > >>> page init" > >>> > >>> https://lkml.kernel.org/r/20200311123848.118638-1-shile.zhang@linux.alibaba.com > >> > >> Thanks! Took me some time to figure it out. > > > > FYI, I'm planning to post an alternate version of that fix, hopefully today if > > all goes well with my testing. > > > > Cool, please CC me :) Sure, in fact you already were! :)