127 							unsigned long n)  in __clear_user()  argument
139 		: "=r"(n), "=r"(to)			\  in __clear_user()
140 		: "0"(n), "1"(to)  in __clear_user()
142 	return n;  in __clear_user()
146 							unsigned long n)  in clear_user()  argument
149 	if (unlikely(!access_ok(VERIFY_WRITE, to, n)))  in clear_user()
150 		return n;  in clear_user()
152 	return __clear_user(to, n);  in clear_user()
365 #define __copy_from_user(to, from, n)	\  argument
367 				(void __user *)(from), (n))
368 #define __copy_from_user_inatomic(to, from, n) \  argument
369 		__copy_from_user((to), (from), (n))
372 		const void __user *from, unsigned long n)  in copy_from_user()  argument
375 	if (access_ok(VERIFY_READ, from, n))  in copy_from_user()
376 		return __copy_from_user(to, from, n);  in copy_from_user()
377 	return n;  in copy_from_user()
380 #define __copy_to_user(to, from, n)	\  argument
382 			(__force const void __user *)(from), (n))
383 #define __copy_to_user_inatomic(to, from, n) __copy_to_user((to), (from), (n))  argument
386 		const void *from, unsigned long n)  in copy_to_user()  argument
389 	if (access_ok(VERIFY_WRITE, to, n))  in copy_to_user()
390 		return __copy_to_user(to, from, n);  in copy_to_user()
391 	return n;  in copy_to_user()
416 static inline long strnlen_user(const char __user *src, long n)  in strnlen_user()  argument
420 	return __strnlen_user(src, n);  in strnlen_user()