346 	void __user *to, const void *from, unsigned long n);
349 __copy_to_user(void __user *to, const void *from, unsigned long n)  in __copy_to_user()  argument
352 	return __copy_to_user_inatomic(to, from, n);  in __copy_to_user()
356 copy_to_user(void __user *to, const void *from, unsigned long n)  in copy_to_user()  argument
358 	if (access_ok(VERIFY_WRITE, to, n))  in copy_to_user()
359 		n = __copy_to_user(to, from, n);  in copy_to_user()
360 	return n;  in copy_to_user()
386 	void *to, const void __user *from, unsigned long n);
388 	void *to, const void __user *from, unsigned long n);
391 __copy_from_user(void *to, const void __user *from, unsigned long n)  in __copy_from_user()  argument
394        return __copy_from_user_zeroing(to, from, n);  in __copy_from_user()
398 _copy_from_user(void *to, const void __user *from, unsigned long n)  in _copy_from_user()  argument
400 	if (access_ok(VERIFY_READ, from, n))  in _copy_from_user()
401 		n = __copy_from_user(to, from, n);  in _copy_from_user()
403 		memset(to, 0, n);  in _copy_from_user()
404 	return n;  in _copy_from_user()
418 					  unsigned long n)  in copy_from_user()  argument
422 	if (likely(sz == -1 || sz >= n))  in copy_from_user()
423 		n = _copy_from_user(to, from, n);  in copy_from_user()
427 	return n;  in copy_from_user()
449 	void __user *to, const void __user *from, unsigned long n);
452 __copy_in_user(void __user *to, const void __user *from, unsigned long n)  in __copy_in_user()  argument
455 	return __copy_in_user_inatomic(to, from, n);  in __copy_in_user()
459 copy_in_user(void __user *to, const void __user *from, unsigned long n)  in copy_in_user()  argument
461 	if (access_ok(VERIFY_WRITE, to, n) && access_ok(VERIFY_READ, from, n))  in copy_in_user()
462 		n = __copy_in_user(to, from, n);  in copy_in_user()
463 	return n;  in copy_in_user()
482 extern long strnlen_user_asm(const char __user *str, long n);
483 static inline long __must_check strnlen_user(const char __user *str, long n)  in strnlen_user()  argument
486 	return strnlen_user_asm(str, n);  in strnlen_user()