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Mon, 9 Jun 2025 09:22:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 8HgBLLynRmjJGAAAD6G6ig (envelope-from ); Mon, 09 Jun 2025 09:22:04 +0000 From: Oscar Salvador To: Andrew Morton Cc: David Hildenbrand , Vlastimil Babka , Jonathan Cameron , Harry Yoo , Rakie Kim , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Joshua Hahn , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Oscar Salvador Subject: [PATCH v6 07/10] drivers,hmat: Use node-notifier instead of memory-notifier Date: Mon, 9 Jun 2025 11:21:44 +0200 Message-ID: <20250609092149.312114-8-osalvador@suse.de> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250609092149.312114-1-osalvador@suse.de> References: <20250609092149.312114-1-osalvador@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: AE21F180008 X-Stat-Signature: iqm854ri3s1jn1nmq75jnqh7981hpmmx X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1749460930-116858 X-HE-Meta: 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 WIVgBOST wXnbPU0H3na8HvxFcD+Y4yN7MoEGLa1+iUwh8Y9yj/C43xsshC+kIcWNHqS2rSCz1P7l8WJbFvZV0reSRMzbwMCLT9/1SpGgKOFovUtQmAyVs8JdfS1L/6qLcy584fYcnqmKvUoSnLp9SfZZQfXHpwkY9yVlm8LsnOdEdRVpS2zPnamQwpNAFgKMXUdEkpnGzISlyr1kVJ+SDrakHjY8YyZm5Uya+yGaUikENbFUxGoU6+opDQGn33nBrbZJ5fIRMhGCr3M8Hm8ofkSlxyNQuBFfzhUMmXy2UYdTJvO+VWpyYvOg+JHU0qy7I4ts3/FHGso1gn8YukqMdjLHVu+LMIfBsDac5AqxVuEGd5Uqgmcz5p/5CRvJM4EjDZg== 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: hmat driver is only concerned when a numa node changes its memory state, specifically when a numa node with memory comes into play for the first time, because it will register the memory_targets belonging to that numa node. So stop using the memory notifier and use the new numa node notifer instead. Signed-off-by: Oscar Salvador Reviewed-by: Jonathan Cameron Reviewed-by: Harry Yoo Reviewed-by: Vlastimil Babka --- drivers/acpi/numa/hmat.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c index 9d9052258e92..4958301f5417 100644 --- a/drivers/acpi/numa/hmat.c +++ b/drivers/acpi/numa/hmat.c @@ -962,10 +962,10 @@ static int hmat_callback(struct notifier_block *self, unsigned long action, void *arg) { struct memory_target *target; - struct memory_notify *mnb = arg; - int pxm, nid = mnb->status_change_nid; + struct node_notify *nn = arg; + int pxm, nid = nn->nid; - if (nid == NUMA_NO_NODE || action != MEM_ONLINE) + if (action != NODE_ADDED_FIRST_MEMORY) return NOTIFY_OK; pxm = node_to_pxm(nid); @@ -1118,7 +1118,7 @@ static __init int hmat_init(void) hmat_register_targets(); /* Keep the table and structures if the notifier may use them */ - if (hotplug_memory_notifier(hmat_callback, HMAT_CALLBACK_PRI)) + if (hotplug_node_notifier(hmat_callback, HMAT_CALLBACK_PRI)) goto out_put; if (!hmat_set_default_dram_perf()) -- 2.49.0