11 unsigned long _copy_from_user(void *to, const void __user *from, unsigned long n)  in _copy_from_user()  argument
13 	unsigned long res = n;  in _copy_from_user()
15 	if (!should_fail_usercopy() && likely(access_ok(from, n))) {  in _copy_from_user()
22 		instrument_copy_from_user(to, from, n);  in _copy_from_user()
23 		res = raw_copy_from_user(to, from, n);  in _copy_from_user()
26 		memset(to + (n - res), 0, res);  in _copy_from_user()
33 unsigned long _copy_to_user(void __user *to, const void *from, unsigned long n)  in _copy_to_user()  argument
37 		return n;  in _copy_to_user()
38 	if (likely(access_ok(to, n))) {  in _copy_to_user()
39 		instrument_copy_to_user(to, from, n);  in _copy_to_user()
40 		n = raw_copy_to_user(to, from, n);  in _copy_to_user()
42 	return n;  in _copy_to_user()