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Fri, 22 Apr 2022 19:42:50 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5580711C04A; Fri, 22 Apr 2022 19:55:43 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3E17311C04C; Fri, 22 Apr 2022 19:55:40 +0000 (GMT) Received: from li-6e1fa1cc-351b-11b2-a85c-b897023bb5f3.ibm.com.com (unknown [9.43.112.230]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 22 Apr 2022 19:55:39 +0000 (GMT) From: Jagdish Gediya To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org Cc: baolin.wang@linux.alibaba.com, dave.hansen@linux.intel.com, ying.huang@intel.com, aneesh.kumar@linux.ibm.com, shy828301@gmail.com, weixugc@google.com, gthelen@google.com, dan.j.williams@intel.com, Jagdish Gediya Subject: [PATCH v3 4/7] device-dax/kmem: Set node state as N_DEMOTION_TARGETS Date: Sat, 23 Apr 2022 01:25:13 +0530 Message-Id: <20220422195516.10769-5-jvgediya@linux.ibm.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220422195516.10769-1-jvgediya@linux.ibm.com> References: <20220422195516.10769-1-jvgediya@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: WYHc5m7ZLWuDYh8gE8WUbhlGSGAIMlTY X-Proofpoint-ORIG-GUID: bZ4xj7Y8DyommoyUhUEXDMw8rSd5AuDn 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=2022-04-22_06,2022-04-22_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 suspectscore=0 mlxlogscore=999 spamscore=0 bulkscore=0 phishscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204220083 X-Stat-Signature: i9pfk89m11wh9gctdh4zjj3ox831f35k X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 8DF6F4002F X-Rspam-User: Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=cSsN4Bqg; dmarc=pass (policy=none) header.from=ibm.com; spf=pass (imf01.hostedemail.com: domain of jvgediya@linux.ibm.com designates 148.163.156.1 as permitted sender) smtp.mailfrom=jvgediya@linux.ibm.com X-HE-Tag: 1650657349-704593 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) dev_set_drvdata(dev, data); + node_set_state(numa_node, N_DEMOTION_TARGETS); + return 0; err_request_mem: -- 2.35.1