[PATCH 8/10] hot-add-mem x86_64: use CONFIG_MEMORY_HOTPLUG_SPARSE

From: Keith Mannthey
Date: Fri Aug 04 2006 - 09:13:21 EST


From: Keith Mannthey <kmannth@xxxxxxxxxx>

Migate CONFIG_MEMORY_HOTPLUG to CONFIG_MEMORY_HOTPLUG_SPARSE where needed.

Signed-off-by: Keith Mannthey<kmannth@xxxxxxxxxx>
---
drivers/base/Makefile | 2 +-
include/linux/memory.h | 4 ++--
mm/memory_hotplug.c | 4 +++-
3 files changed, 6 insertions(+), 4 deletions(-)

diff -urN orig/drivers/base/Makefile current/drivers/base/Makefile
--- orig/drivers/base/Makefile 2006-08-04 00:41:17.000000000 -0400
+++ current/drivers/base/Makefile 2006-08-04 01:41:04.000000000 -0400
@@ -8,7 +8,7 @@
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 -urN orig/include/linux/memory.h current/include/linux/memory.h
--- orig/include/linux/memory.h 2006-06-17 21:49:35.000000000 -0400
+++ current/include/linux/memory.h 2006-08-04 01:42:24.000000000 -0400
@@ -57,7 +57,7 @@
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 @@
#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 -urN orig/mm/memory_hotplug.c current/mm/memory_hotplug.c
--- orig/mm/memory_hotplug.c 2006-08-04 00:54:44.000000000 -0400
+++ current/mm/memory_hotplug.c 2006-08-04 01:46:56.000000000 -0400
@@ -24,6 +24,7 @@

#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;
@@ -189,7 +190,8 @@
vm_total_pages = nr_free_pagecache_pages();
return 0;
}
-
+#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
+
static pg_data_t *hotadd_new_pgdat(int nid, u64 start)
{
struct pglist_data *pgdat;
-
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