diff --git a/include/asm-x86_64/ia32.h b/include/asm-x86_64/ia32.h
index 6efa00f..c7bc9c0 100644
--- a/include/asm-x86_64/ia32.h
+++ b/include/asm-x86_64/ia32.h
@@ -165,6 +165,11 @@
 int do_get_thread_area(struct thread_struct *t, struct user_desc __user *info);
 int do_set_thread_area(struct thread_struct *t, struct user_desc __user *info);
 int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs);
+
+struct linux_binprm;
+extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
+				unsigned long stack_top, int exec_stack);
+
 #endif
 
 #endif /* !CONFIG_IA32_SUPPORT */