50 #define __access_ok(addr, size, segment)	\  argument
51 	(((addr) <= (segment).seg) && ((size) <= (segment).seg))
55 #define __access_ok(addr, size, segment)	\  argument
57 	 (((size) == 0) || (((size) - 1) <= ((segment).seg - (addr)))))
61 #define access_ok(type, addr, size)		\  argument
63 	 __access_ok((__force unsigned long)(addr), (size), get_fs()))
164 #define __put_user_size(x, ptr, size, retval)			\  argument
167 	switch (size) {						\
176 #define __put_user_nocheck(x, ptr, size)			\  argument
183 	__put_user_size((x), __pu_addr, (size), __pu_err);	\
187 #define __put_user_check(x, ptr, size)					\  argument
192 	if (access_ok(VERIFY_WRITE, __pu_addr, size))			\
193 		__put_user_size((x), __pu_addr, (size), __pu_err);	\
197 #define __put_user_nosleep(x, ptr, size)			\  argument
202 	__put_user_size((x), __pu_addr, (size), __pu_err);	\
249 #define __get_user_size(x, ptr, size, retval)			\  argument
253 	if (size > sizeof(x))					\
255 	switch (size) {						\
264 #define __get_user_nocheck(x, ptr, size)			\  argument
272 	__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
278 #define __get_user64_nocheck(x, ptr, size)			\  argument
286 	__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
292 #define __get_user_check(x, ptr, size)					\  argument
298 	if (access_ok(VERIFY_READ, __gu_addr, (size)))			\
299 		__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
304 #define __get_user_nosleep(x, ptr, size)			\  argument
310 	__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
319 		const void __user *from, unsigned long size);
355 #define __copy_in_user(to, from, size) \  argument
356 	__copy_tofrom_user((to), (from), (size))
420 		const void __user *from, unsigned long size)  in __copy_from_user()  argument
423 	return __copy_from_user_inatomic(to, from, size);  in __copy_from_user()
427 		const void *from, unsigned long size)  in __copy_to_user()  argument
430 	return __copy_to_user_inatomic(to, from, size);  in __copy_to_user()
433 extern unsigned long __clear_user(void __user *addr, unsigned long size);
435 static inline unsigned long clear_user(void __user *addr, unsigned long size)  in clear_user()  argument
438 	if (likely(access_ok(VERIFY_WRITE, addr, size)))  in clear_user()
439 		return __clear_user(addr, size);  in clear_user()
441 		unsigned long over = (unsigned long)addr + size - TASK_SIZE;  in clear_user()
442 		return __clear_user(addr, size - over) + over;  in clear_user()
444 	return size;  in clear_user()