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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 17 Mar 2020 16:25:40 -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 02HGPd7s54329536 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Mar 2020 16:25:39 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E22AA11C050; Tue, 17 Mar 2020 16:25:38 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C5EC811C058; Tue, 17 Mar 2020 16:25:36 +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 16:25:36 +0000 (GMT) Date: Tue, 17 Mar 2020 21:55:36 +0530 From: Srikar Dronamraju To: Vlastimil Babka Cc: bharata@linux.ibm.com, linux-mm@kvack.org, Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , linuxppc-dev@ozlabs.org, aneesh.kumar@linux.ibm.com, Sachin Sant , Michal Hocko Subject: Re: Slub: Increased mem consumption on cpu,mem-less node powerpc guest Reply-To: Srikar Dronamraju References: <20200317092624.GB22538@in.ibm.com> <20200317115339.GA26049@in.ibm.com> <4088ae3c-4dfa-62ae-f56a-b46773788fc7@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <4088ae3c-4dfa-62ae-f56a-b46773788fc7@suse.cz> User-Agent: Mutt/1.10.1 (2018-07-13) X-TM-AS-GCONF: 00 x-cbid: 20031716-0020-0000-0000-000003B5F91D X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20031716-0021-0000-0000-0000220E5EA3 Message-Id: <20200317162536.GB27520@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.645 definitions=2020-03-17_06:2020-03-17,2020-03-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 adultscore=0 malwarescore=0 mlxlogscore=757 clxscore=1015 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003170064 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: * Vlastimil Babka [2020-03-17 16:56:04]: > > I wonder why do you get a memory leak while Sachin in the same situation [1] > gets a crash? I don't understand anything anymore. Sachin was testing on linux-next which has Kirill's patch which modifies slub to use kmalloc_node instead of kmalloc. While Bharata is testing on upstream, which doesn't have this. > > [1] > https://lore.kernel.org/linux-next/3381CD91-AB3D-4773-BA04-E7A072A63968@linux.vnet.ibm.com/ > -- Thanks and Regards Srikar Dronamraju