From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AF00C71136 for ; Mon, 16 Jun 2025 13:53:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 15C758D0008; Mon, 16 Jun 2025 09:52:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0E5D18D0007; Mon, 16 Jun 2025 09:52:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EC75F8D0006; Mon, 16 Jun 2025 09:52:55 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id E078D8D0005 for ; Mon, 16 Jun 2025 09:52:55 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 8A4AA120363 for ; Mon, 16 Jun 2025 13:52:55 +0000 (UTC) X-FDA: 83561404710.28.6F720AD Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) by imf28.hostedemail.com (Postfix) with ESMTP id 5D6A4C000C for ; Mon, 16 Jun 2025 13:52:53 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=QFt+mI3v; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=PhCsFBJI; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=tn19BeKV; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=aILlNkjg; spf=pass (imf28.hostedemail.com: domain of osalvador@suse.de designates 195.135.223.131 as permitted sender) smtp.mailfrom=osalvador@suse.de; dmarc=pass (policy=none) header.from=suse.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1750081973; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=kvQ93fpE+S5r7kCRZqpZhmVWGTpofUKn8LF66RwQceA=; b=l0FWgS4MFdyAArpZY+AlJd/U8HV/YXIhH97E3Ipni7HpKOsYiEEL8c56qycyEbpZmVOpAp beLjB3Ma1pYKLXiwZE67ZigWiP1E2EXwR3wu3tzkVZXv/6QKxlIrhF5+kRqhy8mKrMJ8Pw zkGpJGLyCAxFwZjQbikenr/KRcDBqoc= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=QFt+mI3v; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=PhCsFBJI; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=tn19BeKV; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=aILlNkjg; spf=pass (imf28.hostedemail.com: domain of osalvador@suse.de designates 195.135.223.131 as permitted sender) smtp.mailfrom=osalvador@suse.de; dmarc=pass (policy=none) header.from=suse.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1750081973; a=rsa-sha256; cv=none; b=sTG7iS2Sh7qtUA86zIOFUhXMfSC4eVXM3HL/xZHwMYiC3UbTTbHUc+qdWp1b85zZMqxy6k ATwWApa4VudWY7FuqX2olTYxCggOAtHqXR9aNogs7Y9b2k5i+UbF/lCx17narfFtpnh2+R z79tbg2LwxXYDBLvF7L4QKd7I+MBM9M= Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 4459B1F79A; Mon, 16 Jun 2025 13:52:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1750081947; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kvQ93fpE+S5r7kCRZqpZhmVWGTpofUKn8LF66RwQceA=; b=QFt+mI3vXjn6x8BZL3La4acdV780kVqsi1tUP+Sk96R1YvH9Tx6rhGlzKcRMGm4U/ueVRJ 8Sl+DT+SgBlN6fszzfoq4fhPEMIcZavIVTEcJViE/PlF+IEF01FEjuBrm4Jb1H9JlfDuPW cXK5F8BKt+YhW/PF6+DGS/aQuBx2/l4= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1750081947; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kvQ93fpE+S5r7kCRZqpZhmVWGTpofUKn8LF66RwQceA=; b=PhCsFBJI68RCCn7UtN2M56Zw41nMFf2duu6CZpPthmZoRHIW4JDRwkLDNsFqan22vkwSSr XcEyyTuy/rGvFCAA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1750081942; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kvQ93fpE+S5r7kCRZqpZhmVWGTpofUKn8LF66RwQceA=; b=tn19BeKVQq/FmlR5L8u+gGv60Jeypk4uB1aIsa+JXjkzNfjHbU8fY89BRu7Vffo+/GseRz WTougCEQgABCVJQIY610ksLIg7cL1QLNQ1DqjVi9yWvzRC6G9+SOpnP1CdgGG5mz9bs7RZ gK3Zy7Iutgjnyl1NYT8oOdAND0xnASk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1750081942; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kvQ93fpE+S5r7kCRZqpZhmVWGTpofUKn8LF66RwQceA=; b=aILlNkjgUfKOfj0+MeDYbSzMCMmR8DyarjRJ8Ps0kOcIvLI3EQ8eQMEgHo0zf7SbmPnQAZ kTZSmtOSbdy+NDAA== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 096C113AEE; Mon, 16 Jun 2025 13:52:15 +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 IC8vO48hUGhHLwAAD6G6ig (envelope-from ); Mon, 16 Jun 2025 13:52:15 +0000 From: Oscar Salvador To: Andrew Morton Cc: David Hildenbrand , Vlastimil Babka , Jonathan Cameron , Harry Yoo , Rakie Kim , Hyeonggon Yoo <42.hyeyoo@gmail.com>, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Oscar Salvador Subject: [PATCH v7 09/11] mm,mempolicy: Use node-notifier instead of memory-notifier Date: Mon, 16 Jun 2025 15:51:52 +0200 Message-ID: <20250616135158.450136-10-osalvador@suse.de> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250616135158.450136-1-osalvador@suse.de> References: <20250616135158.450136-1-osalvador@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Action: no action X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 5D6A4C000C X-Stat-Signature: nmjtbse6k1a4bczxei84meb86zfcrxja X-Rspam-User: X-HE-Tag: 1750081973-265572 X-HE-Meta: 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 5s89SpGl ct1r/hmd3/6n3PCtFuSz1Z1GtWBPqfkDot6Zp9KohWZke/g4xbs0PpOoDy95FfxlNcuhBB1zdX09hkYP+GclDSftQ+zyLcmLBAXcCQnzQ/7vHakyhWyqUnCCp9cbkzqd0eyDMNBEHzlza4yI3k0t1Oh65zg3tIbOW3K7xre6LqJI9NzkVjOS8Ca2K+vo2fOr2r37ZI/0UzgqHJZIc1KxaKeYIj75LJ+LjBuZyEp6EbKqg0NJtzujKRcXmRSp/K/PrKAZ11IkJ6rj2WZ4v0Mza0d4s9Lmr632KxJA9shiJVccBiUvjYkSi4uF8Ik+INGS17UeRre2ZU7POqTGQnVzWY9rAj3GnsH9fH3vkMqZSYq8NQhj22ifm9KZfkUByumwQLxLNJMBmJqY7kmKMd+EkDo0Kggsz6ILy82jqzRZNi1JD0mktszNQ5ohMOZWJIgdK+CVj1YIeFnLZo00= 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: mempolicy is only concerned when a numa node changes its memory state, because it needs to take this node into account for the auto-weighted memory policy system. 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 Reviewed-by: Rakie Kim Acked-by: David Hildenbrand --- mm/mempolicy.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 72fd72e156b1..693319c2652d 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -3793,20 +3793,17 @@ static int wi_node_notifier(struct notifier_block *nb, unsigned long action, void *data) { int err; - struct memory_notify *arg = data; - int nid = arg->status_change_nid; - - if (nid < 0) - return NOTIFY_OK; + struct node_notify *nn = data; + int nid = nn->nid; switch (action) { - case MEM_ONLINE: + case NODE_ADDED_FIRST_MEMORY: err = sysfs_wi_node_add(nid); if (err) pr_err("failed to add sysfs for node%d during hotplug: %d\n", nid, err); break; - case MEM_OFFLINE: + case NODE_REMOVED_LAST_MEMORY: sysfs_wi_node_delete(nid); break; } @@ -3845,7 +3842,7 @@ static int __init add_weighted_interleave_group(struct kobject *mempolicy_kobj) } } - hotplug_memory_notifier(wi_node_notifier, DEFAULT_CALLBACK_PRI); + hotplug_node_notifier(wi_node_notifier, DEFAULT_CALLBACK_PRI); return 0; err_cleanup_kobj: -- 2.49.0