x86: merge extern function definitions

move extern function definitions that are the same between smp_{32,64}.h
to smp.h

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index f250d1c..ad7b99d 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -8,5 +8,8 @@
 # include "smp_64.h"
 #endif
 
+extern void smp_alloc_memory(void);
+extern void lock_ipi_call_lock(void);
+extern void unlock_ipi_call_lock(void);
 #endif /* __ASSEMBLY__ */
 #endif
diff --git a/include/asm-x86/smp_32.h b/include/asm-x86/smp_32.h
index 56152e3..2781225 100644
--- a/include/asm-x86/smp_32.h
+++ b/include/asm-x86/smp_32.h
@@ -22,10 +22,6 @@
 extern int smp_num_siblings;
 extern unsigned int num_processors;
 
-extern void smp_alloc_memory(void);
-extern void lock_ipi_call_lock(void);
-extern void unlock_ipi_call_lock(void);
-
 extern void (*mtrr_hook) (void);
 extern void zap_low_mappings (void);
 
diff --git a/include/asm-x86/smp_64.h b/include/asm-x86/smp_64.h
index e0a7551..2c21df2 100644
--- a/include/asm-x86/smp_64.h
+++ b/include/asm-x86/smp_64.h
@@ -19,10 +19,6 @@
 extern int smp_num_siblings;
 extern unsigned int num_processors;
 
-extern void smp_alloc_memory(void);
-extern void lock_ipi_call_lock(void);
-extern void unlock_ipi_call_lock(void);
-
 extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
 				  void *info, int wait);