x86, NUMA: Move numa_nodes_parsed to numa.[hc]

Move numa_nodes_parsed from numa_64.[hc] to numa.[hc] to prepare for
NUMA init path unification.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>

arch/x86/include/asm/numa.h

@@ -19,6 +19,7 @@
  * numa_cpu_node().
  */
 extern s16 __apicid_to_node[MAX_LOCAL_APIC];
+extern nodemask_t numa_nodes_parsed __initdata;
 
 static inline void set_apicid_to_node(int apicid, s16 node)
 {

arch/x86/include/asm/numa_64.h

 #ifndef _ASM_X86_NUMA_64_H
 #define _ASM_X86_NUMA_64_H
 
-#include <linux/nodemask.h>
-
 #define ZONE_ALIGN (1UL << (MAX_ORDER+PAGE_SHIFT))
 
 extern int numa_off;
@@ -17,8 +15,6 @@ extern unsigned long numa_free_all_bootmem(void);
  */
 #define NODE_MIN_SIZE (4*1024*1024)
 
-extern nodemask_t numa_nodes_parsed __initdata;
-
 extern int __init numa_add_memblk(int nodeid, u64 start, u64 end);
 extern void __init numa_set_distance(int from, int to, int distance);
 

arch/x86/mm/numa.c

@@ -6,6 +6,7 @@
 #include <asm/acpi.h>
 
 int __initdata numa_off;
+nodemask_t numa_nodes_parsed __initdata;
 
 static __init int numa_setup(char *opt)
 {

arch/x86/mm/numa_64.c

@@ -26,8 +26,6 @@
 struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
 EXPORT_SYMBOL(node_data);
 
-nodemask_t numa_nodes_parsed __initdata;
-
 static struct numa_meminfo numa_meminfo
 #ifndef CONFIG_MEMORY_HOTPLUG
 __initdata