[PATCH] hot-add-mem x86_64: use CONFIG_MEMORY_HOTPLUG_SPARSE

Migate CONFIG_MEMORY_HOTPLUG to CONFIG_MEMORY_HOTPLUG_SPARSE where needed.

Signed-off-by: Keith Mannthey <kmannth@us.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 63b14d4f68fb..7666dbd328df 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -26,6 +26,7 @@
 
 #include <asm/tlbflush.h>
 
+#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
 static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
 {
         struct pglist_data *pgdat = zone->zone_pgdat;
@@ -192,6 +193,7 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)
         writeback_set_ratelimit();
         return 0;
 }
+#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
 
 static pg_data_t *hotadd_new_pgdat(int nid, u64 start)
 {