From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by kanga.kvack.org (Postfix) with ESMTP id B1EAB6B000E for ; Wed, 15 Aug 2018 10:42:33 -0400 (EDT) Received: by mail-wr1-f69.google.com with SMTP id p12-v6so1018918wro.7 for ; Wed, 15 Aug 2018 07:42:33 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id h6-v6sor8279655wre.67.2018.08.15.07.42.32 for (Google Transport Security); Wed, 15 Aug 2018 07:42:32 -0700 (PDT) From: 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> In-Reply-To: <20180815144219.6014-1-osalvador@techadventures.net> References: <20180815144219.6014-1-osalvador@techadventures.net> Sender: owner-linux-mm@kvack.org List-ID: 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 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