diff -up ./arch/x86/mm/init_32.c.altmap ./arch/x86/mm/init_32.c
--- ./arch/x86/mm/init_32.c.altmap	2018-10-31 19:01:52.000000000 +0900
+++ ./arch/x86/mm/init_32.c	2018-10-31 19:03:08.000000000 +0900
@@ -844,14 +844,14 @@ void __init mem_init(void)
 }
 
 #ifdef CONFIG_MEMORY_HOTPLUG
-int arch_add_memory(int nid, u64 start, u64 size, bool for_device)
+int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap, bool for_device)
 {
 	struct pglist_data *pgdata = NODE_DATA(nid);
 	struct zone *zone = pgdata->node_zones + ZONE_HIGHMEM;
 	unsigned long start_pfn = start >> PAGE_SHIFT;
 	unsigned long nr_pages = size >> PAGE_SHIFT;
 
-	return __add_pages(nid, zone, start_pfn, nr_pages);
+	return __add_pages(nid, zone, start_pfn, nr_pages, altmap);
 }
 
 #ifdef CONFIG_MEMORY_HOTREMOVE