diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 8938bea..f9c9d08 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -19,6 +19,7 @@
 
 #ifdef __KERNEL__
 #include <linux/sched.h>
+#include <linux/unistd.h>
 #include <asm/exec.h>
 
 #define CORENAME_MAX_SIZE 128
@@ -137,5 +138,9 @@
 extern void set_binfmt(struct linux_binfmt *new);
 extern void free_bprm(struct linux_binprm *);
 
+#ifdef __ARCH_WANT_KERNEL_EXECVE
+extern void ret_from_kernel_execve(struct pt_regs *normal) __noreturn;
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_BINFMTS_H */