494 arm_copy_from_user(void *to, const void __user *from, unsigned long n);
497 __copy_from_user(void *to, const void __user *from, unsigned long n)  in __copy_from_user()  argument
500 	n = arm_copy_from_user(to, from, n);  in __copy_from_user()
502 	return n;  in __copy_from_user()
506 arm_copy_to_user(void __user *to, const void *from, unsigned long n);
508 __copy_to_user_std(void __user *to, const void *from, unsigned long n);
511 __copy_to_user(void __user *to, const void *from, unsigned long n)  in __copy_to_user()  argument
515 	n = arm_copy_to_user(to, from, n);  in __copy_to_user()
517 	return n;  in __copy_to_user()
519 	return arm_copy_to_user(to, from, n);  in __copy_to_user()
524 arm_clear_user(void __user *addr, unsigned long n);
526 __clear_user_std(void __user *addr, unsigned long n);
529 __clear_user(void __user *addr, unsigned long n)  in __clear_user()  argument
532 	n = arm_clear_user(addr, n);  in __clear_user()
534 	return n;  in __clear_user()
538 #define __copy_from_user(to, from, n)	(memcpy(to, (void __force *)from, n), 0)  argument
539 #define __copy_to_user(to, from, n)	(memcpy((void __force *)to, from, n), 0)  argument
540 #define __clear_user(addr, n)		(memset((void __force *)addr, 0, n), 0)  argument
543 …nline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)  in copy_from_user()  argument
545 	if (access_ok(VERIFY_READ, from, n))  in copy_from_user()
546 		n = __copy_from_user(to, from, n);  in copy_from_user()
548 		memset(to, 0, n);  in copy_from_user()
549 	return n;  in copy_from_user()
552 … inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)  in copy_to_user()  argument
554 	if (access_ok(VERIFY_WRITE, to, n))  in copy_to_user()
555 		n = __copy_to_user(to, from, n);  in copy_to_user()
556 	return n;  in copy_to_user()
562 static inline unsigned long __must_check clear_user(void __user *to, unsigned long n)  in clear_user()  argument
564 	if (access_ok(VERIFY_WRITE, to, n))  in clear_user()
565 		n = __clear_user(to, n);  in clear_user()
566 	return n;  in clear_user()
573 extern __must_check long strnlen_user(const char __user *str, long n);