diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index ad7b99dda0dc919216ec474648f23cbc81aa0a0e..c130a87c956d222a80cb608c8016e65dd88d3574 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -1,6 +1,12 @@
 #ifndef _ASM_X86_SMP_H_
 #define _ASM_X86_SMP_H_
 #ifndef __ASSEMBLY__
+#include <linux/cpumask.h>
+
+extern cpumask_t cpu_callout_map;
+
+extern int smp_num_siblings;
+extern unsigned int num_processors;
 
 #ifdef CONFIG_X86_32
 # include "smp_32.h"
diff --git a/include/asm-x86/smp_32.h b/include/asm-x86/smp_32.h
index 27812258ac6d708f1e436fe1471e02cf4b0b505b..9a4057d9436707fde3340d621b2288c475d809ae 100644
--- a/include/asm-x86/smp_32.h
+++ b/include/asm-x86/smp_32.h
@@ -16,12 +16,8 @@
 # endif
 #endif
 
-extern cpumask_t cpu_callout_map;
 extern cpumask_t cpu_callin_map;
 
-extern int smp_num_siblings;
-extern unsigned int num_processors;
-
 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 2c21df289da44744a8840870301848c6aed5bba4..284f701f2a8b707058a22bf15408d4e37c5d7acf 100644
--- a/include/asm-x86/smp_64.h
+++ b/include/asm-x86/smp_64.h
@@ -13,12 +13,8 @@
 #include <asm/pda.h>
 #include <asm/thread_info.h>
 
-extern cpumask_t cpu_callout_map;
 extern cpumask_t cpu_initialized;
 
-extern int smp_num_siblings;
-extern unsigned int num_processors;
-
 extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
 				  void *info, int wait);