From 770f36d324e8233756f25a7ded275d4457b04b71 Mon Sep 17 00:00:00 2001
From: Yang Yingliang <yangyingliang@huawei.com>
Date: Tue, 22 Dec 2020 22:50:39 +0800
Subject: [PATCH] Revert "mm/memory_hotplug: refrain from adding memory into an
 impossible node"

hulk inclusion
category: bugfix
bugzilla: 46857
CVE: NA

---------------------------

This reverts commit 023faff74c2811ff6c03876b58935aaa7658d1d7.

Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 mm/memory_hotplug.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 6cb0396c87da..2de62385e336 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1058,11 +1058,6 @@ int __ref add_memory_resource(int nid, struct resource *res, bool online)
 	if (ret)
 		return ret;
 
-	if (!node_possible(nid)) {
-		WARN(1, "node %d was absent from the node_possible_map\n", nid);
-		return -EINVAL;
-	}
-
 	mem_hotplug_begin();
 
 	/*
-- 
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