diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index cfdf307ddc01..b049d950612f 100644
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -2,8 +2,8 @@
 #ifndef _ASM_X86_DEBUGREG_H
 #define _ASM_X86_DEBUGREG_H
 
-
 #include <linux/bug.h>
+#include <linux/percpu.h>
 #include <uapi/asm/debugreg.h>
 
 DECLARE_PER_CPU(unsigned long, cpu_dr7);