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Wed, 13 Apr 2022 09:22:37 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A76B84C046; Wed, 13 Apr 2022 09:22:27 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 01BA84C040; Wed, 13 Apr 2022 09:22:25 +0000 (GMT) Received: from li-6e1fa1cc-351b-11b2-a85c-b897023bb5f3.ibm.com.com (unknown [9.43.51.146]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 13 Apr 2022 09:22:24 +0000 (GMT) From: Jagdish Gediya To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, baolin.wang@linux.alibaba.com, dave.hansen@linux.intel.com, ying.huang@intel.com, Jagdish Gediya Subject: [PATCH v2 4/5] device-dax/kmem: Set node state as N_DEMOTION_TARGETS Date: Wed, 13 Apr 2022 14:52:05 +0530 Message-Id: <20220413092206.73974-5-jvgediya@linux.ibm.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220413092206.73974-1-jvgediya@linux.ibm.com> References: <20220413092206.73974-1-jvgediya@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: e_M6LTzmWTwoLmWl_XFe9FdNtWKlpDzB X-Proofpoint-GUID: HDumrkkMcl1iFBQIXduGx9esBdHE8CSi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-13_01,2022-04-12_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 lowpriorityscore=0 bulkscore=0 adultscore=0 malwarescore=0 spamscore=0 priorityscore=1501 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204130051 X-Stat-Signature: 1dkezbp3f85os1ix3iu9f7djmcwmsiiz Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=H85fmgXx; dmarc=pass (policy=none) header.from=ibm.com; spf=pass (imf27.hostedemail.com: domain of jvgediya@linux.ibm.com designates 148.163.156.1 as permitted sender) smtp.mailfrom=jvgediya@linux.ibm.com X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 60EBB4000A X-HE-Tag: 1649841755-374373 Content-Transfer-Encoding: quoted-printable 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: Set dax-device node as N_DEMOTION_TARGETS so that it can be used as demotion target. In future, support should be added to distinguish the dax-devices which are not preferred as demotion target e.g. HBM, for such devices, node shouldn't be set to N_DEMOTION_TARGETS. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Jagdish Gediya --- drivers/dax/kmem.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c index a37622060fff..f42ab9d04bdf 100644 --- a/drivers/dax/kmem.c +++ b/drivers/dax/kmem.c @@ -147,6 +147,8 @@ static int dev_dax_kmem_probe(struct dev_dax *dev_dax= ) =20 dev_set_drvdata(dev, data); =20 + node_set_state(numa_node, N_DEMOTION_TARGETS); + return 0; =20 err_request_mem: --=20 2.35.1