From: Yasunori Goto <y-goto@jp.fujitsu.com>

EXPORT_SYMBOL_GPL is necessary for memory_add_physaddr_to_nid().
Because acpi_memhotplug.c which uses it can be compiled as a kernel module.

Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Keith Mannthey <kmannth@us.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 arch/ia64/mm/numa.c   |    2 ++
 arch/x86_64/mm/init.c |    1 +
 arch/x86_64/mm/srat.c |    2 ++
 3 files changed, 5 insertions(+)

diff -puN arch/ia64/mm/numa.c~hot-add-mem-x86_64-memory_add_physaddr_to_nid-node-fixup-fix-2 arch/ia64/mm/numa.c
--- a/arch/ia64/mm/numa.c~hot-add-mem-x86_64-memory_add_physaddr_to_nid-node-fixup-fix-2
+++ a/arch/ia64/mm/numa.c
@@ -16,6 +16,7 @@
 #include <linux/node.h>
 #include <linux/init.h>
 #include <linux/bootmem.h>
+#include <linux/module.h>
 #include <asm/mmzone.h>
 #include <asm/numa.h>
 
@@ -84,5 +85,6 @@ int memory_add_physaddr_to_nid(u64 addr)
 	return nid;
 }
 
+EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
 #endif
diff -puN arch/x86_64/mm/init.c~hot-add-mem-x86_64-memory_add_physaddr_to_nid-node-fixup-fix-2 arch/x86_64/mm/init.c
--- a/arch/x86_64/mm/init.c~hot-add-mem-x86_64-memory_add_physaddr_to_nid-node-fixup-fix-2
+++ a/arch/x86_64/mm/init.c
@@ -552,6 +552,7 @@ int memory_add_physaddr_to_nid(u64 start
 {
 	return 0;
 }
+EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
 
 #else /* CONFIG_MEMORY_HOTPLUG */
diff -puN arch/x86_64/mm/srat.c~hot-add-mem-x86_64-memory_add_physaddr_to_nid-node-fixup-fix-2 arch/x86_64/mm/srat.c
--- a/arch/x86_64/mm/srat.c~hot-add-mem-x86_64-memory_add_physaddr_to_nid-node-fixup-fix-2
+++ a/arch/x86_64/mm/srat.c
@@ -470,3 +470,5 @@ int memory_add_physaddr_to_nid(u64 start
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
+
_