From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f70.google.com (mail-wm0-f70.google.com [74.125.82.70]) by kanga.kvack.org (Postfix) with ESMTP id 150B06B074F for ; Fri, 17 Aug 2018 05:00:26 -0400 (EDT) Received: by mail-wm0-f70.google.com with SMTP id q26-v6so687743wmc.0 for ; Fri, 17 Aug 2018 02:00:26 -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 68-v6sor752708wmj.38.2018.08.17.02.00.24 for (Google Transport Security); Fri, 17 Aug 2018 02:00:24 -0700 (PDT) From: Oscar Salvador Subject: [PATCH v4 4/4] mm/memory_hotplug: Drop node_online check in unregister_mem_sect_under_nodes Date: Fri, 17 Aug 2018 11:00:17 +0200 Message-Id: <20180817090017.17610-5-osalvador@techadventures.net> In-Reply-To: <20180817090017.17610-1-osalvador@techadventures.net> References: <20180817090017.17610-1-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 Reviewed-by: David Hildenbrand Reviewed-by: Pavel Tatashin --- drivers/base/node.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/base/node.c b/drivers/base/node.c index 6b8c9b4537c9..01e9190be010 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -464,8 +464,6 @@ void unregister_mem_sect_under_nodes(struct memory_block *mem_blk, if (nid < 0) continue; - if (!node_online(nid)) - continue; if (node_test_and_set(nid, unlinked_nodes)) continue; -- 2.13.6