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-rw-r--r--drivers/base/Makefile2
-rw-r--r--include/linux/memory.h4
-rw-r--r--mm/memory_hotplug.c2
3 files changed, 5 insertions, 3 deletions
diff --git a/drivers/base/Makefile b/drivers/base/Makefile
index b539e5e75b56..7bbb9eeda235 100644
--- a/drivers/base/Makefile
+++ b/drivers/base/Makefile
@@ -8,7 +8,7 @@ obj-y += power/
obj-$(CONFIG_ISA) += isa.o
obj-$(CONFIG_FW_LOADER) += firmware_class.o
obj-$(CONFIG_NUMA) += node.o
-obj-$(CONFIG_MEMORY_HOTPLUG) += memory.o
+obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o
obj-$(CONFIG_SMP) += topology.o
obj-$(CONFIG_SYS_HYPERVISOR) += hypervisor.o
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 8f04143ca363..654ef5544878 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -57,7 +57,7 @@ struct memory_block {
struct notifier_block;
struct mem_section;
-#ifndef CONFIG_MEMORY_HOTPLUG
+#ifndef CONFIG_MEMORY_HOTPLUG_SPARSE
static inline int memory_dev_init(void)
{
return 0;
@@ -78,7 +78,7 @@ extern int remove_memory_block(unsigned long, struct mem_section *, int);
#define CONFIG_MEM_BLOCK_SIZE (PAGES_PER_SECTION<<PAGE_SHIFT)
-#endif /* CONFIG_MEMORY_HOTPLUG */
+#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
#define hotplug_memory_notifier(fn, pri) { \
static struct notifier_block fn##_mem_nb = \
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)
{