15 __generic_copy_to_user(void *to, const void *from, unsigned long n)  in __generic_copy_to_user()  argument
17 	if (access_ok(VERIFY_WRITE, to, n))  in __generic_copy_to_user()
18 		__copy_user(to, from, n);  in __generic_copy_to_user()
19 	return n;  in __generic_copy_to_user()
23 __generic_copy_from_user(void *to, const void *from, unsigned long n)  in __generic_copy_from_user()  argument
25 	if (access_ok(VERIFY_READ, from, n))  in __generic_copy_from_user()
26 		__copy_user_zeroing(to, from, n);  in __generic_copy_from_user()
27 	return n;  in __generic_copy_from_user()
116 __clear_user(void *to, unsigned long n)  in __clear_user()  argument
118 	__do_clear_user(to, n);  in __clear_user()
119 	return n;  in __clear_user()
123 clear_user(void *to, unsigned long n)  in clear_user()  argument
125 	if (access_ok(VERIFY_WRITE, to, n))  in clear_user()
126 		__do_clear_user(to, n);  in clear_user()
127 	return n;  in clear_user()
135 long strnlen_user(const char *s, long n)  in strnlen_user()  argument
142 	if (n < 0 || n + (u_long) s > current_thread_info()->addr_limit.seg)  in strnlen_user()
143 		n = current_thread_info()->addr_limit.seg - (u_long)s;  in strnlen_user()
163 		:"0"(0), "a"(s), "r"(n)  in strnlen_user()