193 extern unsigned long __copy_user(void __user *to, const void *from, unsigned long n);
194 extern unsigned long __copy_user_zeroing(void *to, const void __user *from, unsigned long n);
195 extern unsigned long __do_clear_user(void __user *to, unsigned long n);
198 __generic_copy_to_user(void __user *to, const void *from, unsigned long n)  in __generic_copy_to_user()  argument
200 	if (access_ok(VERIFY_WRITE, to, n))  in __generic_copy_to_user()
201 		return __copy_user(to, from, n);  in __generic_copy_to_user()
202 	return n;  in __generic_copy_to_user()
206 __generic_copy_from_user(void *to, const void __user *from, unsigned long n)  in __generic_copy_from_user()  argument
208 	if (access_ok(VERIFY_READ, from, n))  in __generic_copy_from_user()
209 		return __copy_user_zeroing(to, from, n);  in __generic_copy_from_user()
210 	return n;  in __generic_copy_from_user()
214 __generic_clear_user(void __user *to, unsigned long n)  in __generic_clear_user()  argument
216 	if (access_ok(VERIFY_WRITE, to, n))  in __generic_clear_user()
217 		return __do_clear_user(to, n);  in __generic_clear_user()
218 	return n;  in __generic_clear_user()
242 __constant_copy_from_user(void *to, const void __user *from, unsigned long n)  in __constant_copy_from_user()  argument
246 	if (n == 0)  in __constant_copy_from_user()
248 	else if (n == 1)  in __constant_copy_from_user()
250 	else if (n == 2)  in __constant_copy_from_user()
252 	else if (n == 3)  in __constant_copy_from_user()
254 	else if (n == 4)  in __constant_copy_from_user()
256 	else if (n == 5)  in __constant_copy_from_user()
258 	else if (n == 6)  in __constant_copy_from_user()
260 	else if (n == 7)  in __constant_copy_from_user()
262 	else if (n == 8)  in __constant_copy_from_user()
264 	else if (n == 9)  in __constant_copy_from_user()
266 	else if (n == 10)  in __constant_copy_from_user()
268 	else if (n == 11)  in __constant_copy_from_user()
270 	else if (n == 12)  in __constant_copy_from_user()
272 	else if (n == 13)  in __constant_copy_from_user()
274 	else if (n == 14)  in __constant_copy_from_user()
276 	else if (n == 15)  in __constant_copy_from_user()
278 	else if (n == 16)  in __constant_copy_from_user()
280 	else if (n == 20)  in __constant_copy_from_user()
282 	else if (n == 24)  in __constant_copy_from_user()
285 		ret = __generic_copy_from_user(to, from, n);  in __constant_copy_from_user()
293 __constant_copy_to_user(void __user *to, const void *from, unsigned long n)  in __constant_copy_to_user()  argument
297 	if (n == 0)  in __constant_copy_to_user()
299 	else if (n == 1)  in __constant_copy_to_user()
301 	else if (n == 2)  in __constant_copy_to_user()
303 	else if (n == 3)  in __constant_copy_to_user()
305 	else if (n == 4)  in __constant_copy_to_user()
307 	else if (n == 5)  in __constant_copy_to_user()
309 	else if (n == 6)  in __constant_copy_to_user()
311 	else if (n == 7)  in __constant_copy_to_user()
313 	else if (n == 8)  in __constant_copy_to_user()
315 	else if (n == 9)  in __constant_copy_to_user()
317 	else if (n == 10)  in __constant_copy_to_user()
319 	else if (n == 11)  in __constant_copy_to_user()
321 	else if (n == 12)  in __constant_copy_to_user()
323 	else if (n == 13)  in __constant_copy_to_user()
325 	else if (n == 14)  in __constant_copy_to_user()
327 	else if (n == 15)  in __constant_copy_to_user()
329 	else if (n == 16)  in __constant_copy_to_user()
331 	else if (n == 20)  in __constant_copy_to_user()
333 	else if (n == 24)  in __constant_copy_to_user()
336 		ret = __generic_copy_to_user(to, from, n);  in __constant_copy_to_user()
344 __constant_clear_user(void __user *to, unsigned long n)  in __constant_clear_user()  argument
348 	if (n == 0)  in __constant_clear_user()
350 	else if (n == 1)  in __constant_clear_user()
352 	else if (n == 2)  in __constant_clear_user()
354 	else if (n == 3)  in __constant_clear_user()
356 	else if (n == 4)  in __constant_clear_user()
358 	else if (n == 8)  in __constant_clear_user()
360 	else if (n == 12)  in __constant_clear_user()
362 	else if (n == 16)  in __constant_clear_user()
364 	else if (n == 20)  in __constant_clear_user()
366 	else if (n == 24)  in __constant_clear_user()
369 		ret = __generic_clear_user(to, n);  in __constant_clear_user()
375 #define clear_user(to, n)				\  argument
376 	(__builtin_constant_p(n) ?			\
377 	 __constant_clear_user(to, n) :			\
378 	 __generic_clear_user(to, n))
380 #define copy_from_user(to, from, n)			\  argument
381 	(__builtin_constant_p(n) ?			\
382 	 __constant_copy_from_user(to, from, n) :	\
383 	 __generic_copy_from_user(to, from, n))
385 #define copy_to_user(to, from, n)			\  argument
386 	(__builtin_constant_p(n) ?			\
387 	 __constant_copy_to_user(to, from, n) :		\
388 	 __generic_copy_to_user(to, from, n))
396 				 unsigned long n)  in __generic_copy_from_user_nocheck()  argument
398 	return __copy_user_zeroing(to, from, n);  in __generic_copy_from_user_nocheck()
403 			       unsigned long n)  in __generic_copy_to_user_nocheck()  argument
405 	return __copy_user(to, from, n);  in __generic_copy_to_user_nocheck()
409 __generic_clear_user_nocheck(void __user *to, unsigned long n)  in __generic_clear_user_nocheck()  argument
411 	return __do_clear_user(to, n);  in __generic_clear_user_nocheck()
416 #define __copy_to_user(to, from, n) \  argument
417 	__generic_copy_to_user_nocheck((to), (from), (n))
418 #define __copy_from_user(to, from, n) \  argument
419 	__generic_copy_from_user_nocheck((to), (from), (n))
422 #define __clear_user(to, n) __generic_clear_user_nocheck((to), (n))  argument