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Mon, 18 Nov 2019 09:46:10 +0000 Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xAI9k8ld34144528 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 18 Nov 2019 09:46:09 GMT Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D6BC378063; Mon, 18 Nov 2019 09:46:08 +0000 (GMT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 41CEC78067; Mon, 18 Nov 2019 09:46:04 +0000 (GMT) Received: from skywalker.linux.ibm.com (unknown [9.199.34.246]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 18 Nov 2019 09:46:03 +0000 (GMT) X-Mailer: emacs 26.2 (via feedmail 11-beta-1 I) From: "Aneesh Kumar K.V" To: Dan Williams , linux-nvdimm@lists.01.org Cc: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , "Oliver O'Halloran" , peterz@infradead.org, vishal.l.verma@intel.com, dave.hansen@linux.intel.com, hch@lst.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-acpi@vger.kernel.org Subject: Re: [PATCH v2 16/18] powerpc/papr_scm: Switch to numa_map_to_online_node() In-Reply-To: <157401276263.43284.12616818803654229788.stgit@dwillia2-desk3.amr.corp.intel.com> References: <157401267421.43284.2135775608523385279.stgit@dwillia2-desk3.amr.corp.intel.com> <157401276263.43284.12616818803654229788.stgit@dwillia2-desk3.amr.corp.intel.com> Date: Mon, 18 Nov 2019 15:16:02 +0530 Message-ID: <87tv71h605.fsf@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-18_01:2019-11-15,2019-11-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 mlxscore=0 malwarescore=0 impostorscore=0 phishscore=0 bulkscore=0 mlxlogscore=999 priorityscore=1501 spamscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1911180087 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: Dan Williams writes: > Now that the core exports numa_map_to_online_node() switch to that > instead of the locally coded duplicate. > Reviewed-by: Aneesh Kumar K.V > Cc: Benjamin Herrenschmidt > Cc: Paul Mackerras > Cc: Michael Ellerman > Cc: "Oliver O'Halloran" > Reported-by: "Aneesh Kumar K.V" > Signed-off-by: Dan Williams > --- > arch/powerpc/platforms/pseries/papr_scm.c | 21 +-------------------- > 1 file changed, 1 insertion(+), 20 deletions(-) > > diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c > index 33aa59e666e5..ef81515f3b6a 100644 > --- a/arch/powerpc/platforms/pseries/papr_scm.c > +++ b/arch/powerpc/platforms/pseries/papr_scm.c > @@ -284,25 +284,6 @@ int papr_scm_ndctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm, > return 0; > } > > -static inline int papr_scm_node(int node) > -{ > - int min_dist = INT_MAX, dist; > - int nid, min_node; > - > - if ((node == NUMA_NO_NODE) || node_online(node)) > - return node; > - > - min_node = first_online_node; > - for_each_online_node(nid) { > - dist = node_distance(node, nid); > - if (dist < min_dist) { > - min_dist = dist; > - min_node = nid; > - } > - } > - return min_node; > -} > - > static int papr_scm_nvdimm_init(struct papr_scm_priv *p) > { > struct device *dev = &p->pdev->dev; > @@ -347,7 +328,7 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p) > > memset(&ndr_desc, 0, sizeof(ndr_desc)); > target_nid = dev_to_node(&p->pdev->dev); > - online_nid = papr_scm_node(target_nid); > + online_nid = numa_map_to_online_node(target_nid); > ndr_desc.numa_node = online_nid; > ndr_desc.target_node = target_nid; > ndr_desc.res = &p->res;