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 4FBB6C5AE59 for ; Thu, 5 Jun 2025 14:23:45 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8475B8D0057; Thu, 5 Jun 2025 10:23:43 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7F8628D0007; Thu, 5 Jun 2025 10:23:43 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5FB888D0057; Thu, 5 Jun 2025 10:23:43 -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 3C3288D0007 for ; Thu, 5 Jun 2025 10:23:43 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id E0F3F120BE0 for ; Thu, 5 Jun 2025 14:23:42 +0000 (UTC) X-FDA: 83521565484.26.C70B590 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) by imf29.hostedemail.com (Postfix) with ESMTP id CF6CC12000D for ; Thu, 5 Jun 2025 14:23:40 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=none; spf=pass (imf29.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=1749133421; 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; bh=KyeTwvUMhcL4XAW+kb/WdQ2YLUCpa2wkdYGDmQGpjCs=; b=tsEe7CCJhX17lknFyhlWzTJ44QLxY8c+AH7nbo8U3lWLAej7mw94D3KQdeTz8DgeT5Rmbc GXSa1i4FVSx2B4yMg6LndWo2QGH22QG1QbjZCEgztJG3e2mrz316ZnIo9dmwG4FhzH/nCB 8EfS2Eo69uLm50B+cv6xyGKSF+3/8/o= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=none; spf=pass (imf29.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=1749133421; a=rsa-sha256; cv=none; b=W+MvfwGDaVLaczTce7RBUeCdOjCVYtpHFfJH9X/rjHKzwafZoqWoHv1RiTX0xV6lPUE07Q dbMJyh49ULKpjnHVLWoBC0fj1zNOz5/Dmo8dsO9mCraYyFuJ7Frgrs/g8d6DMAP1bmr0BE diotpc5vMGaA9G1qwPe0+V+q53C5iJA= 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 1090E1FCFD; Thu, 5 Jun 2025 14:23:21 +0000 (UTC) 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 72A5B137FE; Thu, 5 Jun 2025 14:23:20 +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 CEI9GVioQWipRwAAD6G6ig (envelope-from ); Thu, 05 Jun 2025 14:23:20 +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 v5 09/10] mm,mempolicy: Use node-notifier instead of memory-notifier Date: Thu, 5 Jun 2025 16:23:00 +0200 Message-ID: <20250605142305.244465-10-osalvador@suse.de> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250605142305.244465-1-osalvador@suse.de> References: <20250605142305.244465-1-osalvador@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Action: no action X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: CF6CC12000D X-Stat-Signature: ukq3zykd58u6rwiwugjzzu5pb8ckootp X-Rspam-User: X-HE-Tag: 1749133420-909953 X-HE-Meta: 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 g7JdHwHW 4apRJyy4RAD+pxJUsszTg1fSZABzo8WwGQcY73F2PyCk2IHQ06Cs/1S5J6Nb1QLKJQCXTedPMi5ziOPCiG+AYOjtaDQ4gq0oJhthnIEpcu+WHwUVHkDAtFUnaaI55fX4gLBj6nwJQ4WROvZrocKRlDrRjmAmp529mwLMsBvIbPs9QxqKmZtlvvDL5WXE78C44M0PvO+yuZ8y0EsMrU4FU1LJhkRCtmzkU4k0nc2zWmIYz40VszSRUSBC1zw== 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 --- mm/mempolicy.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 72fd72e156b1..1b87628f3cfc 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -3793,20 +3793,20 @@ 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; + struct node_notify *arg = data; + int nid = arg->nid; if (nid < 0) return NOTIFY_OK; 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 +3845,7 @@ 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