diff --git a/include/asm-x86/vm86.h b/include/asm-x86/vm86.h
index a5edf51..c92fe4a 100644
--- a/include/asm-x86/vm86.h
+++ b/include/asm-x86/vm86.h
@@ -195,6 +195,7 @@
 
 void handle_vm86_fault(struct kernel_vm86_regs *, long);
 int handle_vm86_trap(struct kernel_vm86_regs *, long, int);
+struct pt_regs *save_v86_state(struct kernel_vm86_regs *);
 
 struct task_struct;
 void release_vm86_irqs(struct task_struct *);