mm/memory_hotplug.c: fix a comment typo in register_page_bootmem_info_node()

Signed-off-by: NTang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

mm/memory_hotplug.c

@@ -208,13 +208,13 @@ void register_page_bootmem_info_node(struct pglist_data *pgdat)
 	pfn = pgdat->node_start_pfn;
 	end_pfn = pgdat_end_pfn(pgdat);
 
-	/* register_section info */
+	/* register section info */
 	for (; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
 		/*
 		 * Some platforms can assign the same pfn to multiple nodes - on
 		 * node0 as well as nodeN.  To avoid registering a pfn against
 		 * multiple nodes we check that this pfn does not already
-		 * reside in some other node.
+		 * reside in some other nodes.
 		 */
 		if (pfn_valid(pfn) && (pfn_to_nid(pfn) == node))
 			register_page_bootmem_info_section(pfn);