diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index d1c372b018dbe299fde8ae3c5bcfc21961929e84..fae31ce747bdc042d0d94723a4e8da4fe5b61721 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -13,6 +13,7 @@
 #include <asm/uaccess.h>
 #include <asm/ptrace.h>
 #include <asm/ds.h>
+#include <asm/bugs.h>
 
 #include "cpu.h"
 
diff --git a/include/asm-x86/bugs.h b/include/asm-x86/bugs.h
index 3fcc30dc07314ce0fc7460dfb956d260bf602829..021cbdd5f258a7739c2433d62f00a37a51070a4b 100644
--- a/include/asm-x86/bugs.h
+++ b/include/asm-x86/bugs.h
@@ -2,6 +2,6 @@
 #define _ASM_X86_BUGS_H
 
 extern void check_bugs(void);
-extern int ppro_with_ram_bug(void);
+int ppro_with_ram_bug(void);
 
 #endif /* _ASM_X86_BUGS_H */