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Wysocki" , Danilo Krummrich , Jonathan Cameron , Alison Schofield , Yury Norov , Dave Jiang , Madhavan Srinivasan , Nilay Shroff , linuxppc-dev@lists.ozlabs.org, Donet Tom Subject: [PATCH v7 3/5] drivers/base/node: Remove register_memory_blocks_under_node() function call from register_one_node Date: Wed, 28 May 2025 12:18:02 -0500 Message-ID: X-Mailer: git-send-email 2.43.5 In-Reply-To: <2a0a05c2dffc62a742bf1dd030098be4ce99be28.1748452241.git.donettom@linux.ibm.com> References: <2a0a05c2dffc62a742bf1dd030098be4ce99be28.1748452241.git.donettom@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=SdL3duRu c=1 sm=1 tr=0 ts=6837455f cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=20KFwNOVAAAA:8 a=GgTL7Ph3A1T1yYPAe9gA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: -NLu1TZzhtXLYxxOabFWxSqWl1jDu6W7 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTI4MDE0OCBTYWx0ZWRfX9CtHJKAcy3VG X08WxKLGknH6Q2U0ghZA/r60cqUhatNAiYqcKoOOo7Ow+JCegCD4EPo/LrJRNfN2sT55ALxeHys ZNuY/52YHYVOARlvlSMA2x29Sm7NxVGpw9TrfSVERQaWPnwINGVosoGbcAOIxy+sLI+FD75QOmg Phk5Bvg7qCOmYhPfmitQaRiVJ8byWW3SuWXlwWx1mWQFCZye/JCD2VRcQuemHevYNC3IDKd3AZS y6sG7WyM6BLIRHJ5PwKrNTzmkO/CMnSzA20XaBIoHPi0yEcMdSupr6KqQUqbQfuJ9RZV0g8ZlBY yQn4Sa9U6UnCRaiwmOrdckfL4nmlVjYtGYPtwstdudF01R3ihQG1bUP3ybfFnKkDqXTcvhfCE0B B4JkFE2XuIXwVKajETjrAK3M3EckMfDqugIIsvE1qtS1sIJbKfyWqzrjlhhYklnc0CGAF6lx X-Proofpoint-ORIG-GUID: jOU-B-mRkfRX2vmvdoQYvxMhGpIfktF1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-28_08,2025-05-27_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 mlxscore=0 adultscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 mlxlogscore=886 suspectscore=0 bulkscore=0 spamscore=0 clxscore=1015 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505160000 definitions=main-2505280148 X-Rspam-User: X-Rspamd-Queue-Id: 565752000A X-Rspamd-Server: rspam09 X-Stat-Signature: ki5dynrhkmydjuke7x73kaox9m9i4qft X-HE-Tag: 1748452716-900300 X-HE-Meta: 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 KxbBxedI kh3l4EWBCNXkFhEWNT1kZGy5ufR44b7nMwcM+BmXv6I2GUG3v2xHgU+g39w3ooH3P6rUYagVuKZZHGOQ33Sgi3WQHLDB/qmUpfhwNj7FavRn6Yw9RU2DT+/nvaXRdaLe8OCuTDf9Ah3f+7U+xI+lgZE/23nZ/AmNENPZ5kmNAO0mTW0zQfkN3lDV49aAmQgYg5TAavAuACmamKsO1vYlVpWTwlBGM89xuUfMnhZ6qvYnqwAK6sHzVR6t2IaxmA6LQZY5m7wa+5O57JtLwpSQiHpnAdAzgiI5m+t8UkO99QXxmRm4mlFpcEzbqjyXXpf7nPlIE76HM8w6q6cixi8IdIcZgS/TvjsquvBT6B95a2hYG7EisG7FM/svoAGDJNAiKjoVgPUs7rKfH+UV/87UdXzCQFA== 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: List-Subscribe: List-Unsubscribe: register_one_node() is now only called via cpu_up() → __try_online_node() during CPU hotplug operations to online a node. At this stage, the node has not yet had any memory added. As a result, there are no memory blocks to walk or register, so calling register_memory_blocks_under_node() is unnecessary. Therefore, the call to register_memory_blocks_under_node() has been removed from register_one_node(). Acked-by: Oscar Salvador Acked-by: Mike Rapoport (Microsoft) Acked-by: David Hildenbrand Signed-off-by: Donet Tom --- v6 -> v7 no change v6 - https://lore.kernel.org/all/bc754a238aa91fa36be463985ccde66aac7055e7.1748270306.git.donettom@linux.ibm.com/ v5 - https://lore.kernel.org/all/d2490e807b2c13950bc1d4199f22ec078cc4c56a.1747904868.git.donettom@linux.ibm.com/ v4 - https://lore.kernel.org/all/f94685be9cdc931a026999d236d7e92de29725c7.1747376551.git.donettom@linux.ibm.com/ v3 - https://lore.kernel.org/all/b49ed289096643ff5b5fbedcf1d1c1be42845a74.1746250339.git.donettom@linux.ibm.com/ v2 - https://lore.kernel.org/all/fbe1e0c7d91bf3fa9a64ff5d84b53ded1d0d5ac7.1745852397.git.donettom@linux.ibm.com/ v1 - https://lore.kernel.org/all/50142a29010463f436dc5c4feb540e5de3bb09df.1744175097.git.donettom@linux.ibm.com/ --- --- include/linux/node.h | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-) diff --git a/include/linux/node.h b/include/linux/node.h index 485370f3bc17..b15de78e0408 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -134,21 +134,7 @@ extern int __register_one_node(int nid); /* Registers an online node */ static inline int register_one_node(int nid) { - int error = 0; - - if (node_online(nid)) { - struct pglist_data *pgdat = NODE_DATA(nid); - unsigned long start_pfn = pgdat->node_start_pfn; - unsigned long end_pfn = start_pfn + pgdat->node_spanned_pages; - - error = __register_one_node(nid); - if (error) - return error; - register_memory_blocks_under_node(nid, start_pfn, end_pfn, - MEMINIT_EARLY); - } - - return error; + return __register_one_node(nid); } extern void unregister_one_node(int nid); -- 2.43.5