mm: numa: migrate: Set last_nid on newly allocated page

Pass last_nid from misplaced page to newly allocated migration target page.
Signed-off-by: NHillf Danton <dhillf@gmail.com>
Signed-off-by: NMel Gorman <mgorman@suse.de>

mm/migrate.c

@@ -1457,6 +1457,9 @@ static struct page *alloc_misplaced_dst_page(struct page *page,
 					  __GFP_NOMEMALLOC | __GFP_NORETRY |
 					  __GFP_NOWARN) &
 					 ~GFP_IOFS, 0);
+	if (newpage)
+		page_xchg_last_nid(newpage, page_last_nid(page));
+
 	return newpage;
 }