mm/memblock: use existing interface to set nid

Use the existing interface function to set the NUMA node ID (NID) for the
regions, either memory or reserved region.

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/memblock.c

diff --git a/mm/memblock.c b/mm/memblock.c
index 82aa349..d809f17 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -756,7 +756,7 @@
 		return ret;
 
 	for (i = start_rgn; i < end_rgn; i++)
-		type->regions[i].nid = nid;
+		memblock_set_region_node(&type->regions[i], nid);
 
 	memblock_merge_regions(type);
 	return 0;