[PATCH v4 4/4] mm/memory_hotplug: Drop node_online check in unregister_mem_sect_under_nodes

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From: Oscar Salvador <osalvador@xxxxxxx>

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 <osalvador@xxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Pavel Tatashin <pavel.tatashin@xxxxxxxxxxxxx>
---
 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




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