x86: introduce initmem_init for 64 bit

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h
index b510daf..3830094 100644
--- a/include/asm-x86/numa_64.h
+++ b/include/asm-x86/numa_64.h
@@ -22,7 +22,6 @@
 
 extern s16 apicid_to_node[MAX_LOCAL_APIC];
 
-extern void numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn);
 extern unsigned long numa_free_all_bootmem(void);
 extern void setup_node_bootmem(int nodeid, unsigned long start,
 			       unsigned long end);
diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h
index 6ea7285..ac37643 100644
--- a/include/asm-x86/page_64.h
+++ b/include/asm-x86/page_64.h
@@ -83,6 +83,7 @@
 extern unsigned long init_memory_mapping(unsigned long start,
 					 unsigned long end);
 
+extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn);
 #endif	/* !__ASSEMBLY__ */
 
 #ifdef CONFIG_FLATMEM