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 X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E423C46460 for ; Wed, 15 Aug 2018 14:42:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 39CF320C0B for ; Wed, 15 Aug 2018 14:42:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 39CF320C0B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=techadventures.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729522AbeHORfK (ORCPT ); Wed, 15 Aug 2018 13:35:10 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:47065 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729430AbeHORe6 (ORCPT ); Wed, 15 Aug 2018 13:34:58 -0400 Received: by mail-wr1-f65.google.com with SMTP id h14-v6so1331300wrw.13 for ; Wed, 15 Aug 2018 07:42:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=d5t4JM6u128OdWFKaN6Pi+4z+3cMbUK86+f7qJ/R6T8=; b=sQWyc1PkYXEv0aBukYYICPDNsQoU7DhnQUtKRjwWWWKL8GBtAGt3CNWsA1sx+H33UD gvlqehycD8Trpf30ZWYsSeAO8jHJEYMYx3BQmIt7WK74faHWPuXBa4W8PVgzmmRkl0Uc TNr2XZ7BdxgvD2Z27jLAt4NMPJynCkoIbA7/GnZoN7YG/qnZ1aTOQqmKqLtXcdHno4ht i8DTFkbNmlY6u1qbMLae+nly2J272u87llyOn66MgJe5lfDJuzL07VIDYJDLZgdhAN92 bn/ApDHvkNEX5fwDV8kjhrsvCdsu7cYRWyJcW9gHCjw19JwAN4LSuJV+ugUNpM+FNAOP uhCQ== X-Gm-Message-State: AOUpUlEBYJsvx1ZKpi1di/q/yV7HteFefwXaJohQTIBG3OuBLR+eSvEP w5IWip2SpUJl8wJL8Mi80T4= X-Google-Smtp-Source: AA+uWPxpvGb3Z418XXlCV4EC3wi3IkPkHLUaLUA/IaP6UV+yImGQFJzLH6lWRA0daJWjS0ZfeX05Zw== X-Received: by 2002:adf:e992:: with SMTP id h18-v6mr17038910wrm.238.1534344152122; Wed, 15 Aug 2018 07:42:32 -0700 (PDT) Received: from techadventures.net (techadventures.net. [62.201.165.239]) by smtp.gmail.com with ESMTPSA id n7-v6sm17137985wmc.2.2018.08.15.07.42.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 15 Aug 2018 07:42:30 -0700 (PDT) Received: from d104.suse.de (charybdis-ext.suse.de [195.135.221.2]) by techadventures.net (Postfix) with ESMTPA id B77E31248A1; Wed, 15 Aug 2018 16:42:28 +0200 (CEST) From: Oscar Salvador To: akpm@linux-foundation.org Cc: mhocko@suse.com, vbabka@suse.cz, dan.j.williams@intel.com, yasu.isimatu@gmail.com, jonathan.cameron@huawei.com, david@redhat.com, Pavel.Tatashin@microsoft.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Oscar Salvador Subject: [PATCH v3 4/4] mm/memory_hotplug: Drop node_online check in unregister_mem_sect_under_nodes Date: Wed, 15 Aug 2018 16:42:19 +0200 Message-Id: <20180815144219.6014-5-osalvador@techadventures.net> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180815144219.6014-1-osalvador@techadventures.net> References: <20180815144219.6014-1-osalvador@techadventures.net> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Oscar Salvador We are getting the nid from the pages that are not yet removed, but a node can only be offline when its memory/cpu's have been removed. Therefore, we know that the node is still online. Signed-off-by: Oscar Salvador --- drivers/base/node.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/base/node.c b/drivers/base/node.c index 81b27b5b1f15..b23769e4fcbb 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -465,8 +465,6 @@ void unregister_mem_sect_under_nodes(struct memory_block *mem_blk, if (nid < 0) continue; - if (!node_online(nid)) - continue; /* * It is possible that NODEMASK_ALLOC fails due to memory * pressure. -- 2.13.6