176 	size_t skip, copy, left, wanted;  in copy_page_to_iter_iovec()  local
192 	copy = min(bytes, iov->iov_len - skip);  in copy_page_to_iter_iovec()
194 	if (IS_ENABLED(CONFIG_HIGHMEM) && !fault_in_pages_writeable(buf, copy)) {  in copy_page_to_iter_iovec()
199 		left = copyout(buf, from, copy);  in copy_page_to_iter_iovec()
200 		copy -= left;  in copy_page_to_iter_iovec()
201 		skip += copy;  in copy_page_to_iter_iovec()
202 		from += copy;  in copy_page_to_iter_iovec()
203 		bytes -= copy;  in copy_page_to_iter_iovec()
208 			copy = min(bytes, iov->iov_len);  in copy_page_to_iter_iovec()
209 			left = copyout(buf, from, copy);  in copy_page_to_iter_iovec()
210 			copy -= left;  in copy_page_to_iter_iovec()
211 			skip = copy;  in copy_page_to_iter_iovec()
212 			from += copy;  in copy_page_to_iter_iovec()
213 			bytes -= copy;  in copy_page_to_iter_iovec()
220 		buf += copy;  in copy_page_to_iter_iovec()
222 		copy = min(bytes, iov->iov_len - skip);  in copy_page_to_iter_iovec()
228 	left = copyout(buf, from, copy);  in copy_page_to_iter_iovec()
229 	copy -= left;  in copy_page_to_iter_iovec()
230 	skip += copy;  in copy_page_to_iter_iovec()
231 	from += copy;  in copy_page_to_iter_iovec()
232 	bytes -= copy;  in copy_page_to_iter_iovec()
236 		copy = min(bytes, iov->iov_len);  in copy_page_to_iter_iovec()
237 		left = copyout(buf, from, copy);  in copy_page_to_iter_iovec()
238 		copy -= left;  in copy_page_to_iter_iovec()
239 		skip = copy;  in copy_page_to_iter_iovec()
240 		from += copy;  in copy_page_to_iter_iovec()
241 		bytes -= copy;  in copy_page_to_iter_iovec()
260 	size_t skip, copy, left, wanted;  in copy_page_from_iter_iovec()  local
276 	copy = min(bytes, iov->iov_len - skip);  in copy_page_from_iter_iovec()
278 	if (IS_ENABLED(CONFIG_HIGHMEM) && !fault_in_pages_readable(buf, copy)) {  in copy_page_from_iter_iovec()
283 		left = copyin(to, buf, copy);  in copy_page_from_iter_iovec()
284 		copy -= left;  in copy_page_from_iter_iovec()
285 		skip += copy;  in copy_page_from_iter_iovec()
286 		to += copy;  in copy_page_from_iter_iovec()
287 		bytes -= copy;  in copy_page_from_iter_iovec()
292 			copy = min(bytes, iov->iov_len);  in copy_page_from_iter_iovec()
293 			left = copyin(to, buf, copy);  in copy_page_from_iter_iovec()
294 			copy -= left;  in copy_page_from_iter_iovec()
295 			skip = copy;  in copy_page_from_iter_iovec()
296 			to += copy;  in copy_page_from_iter_iovec()
297 			bytes -= copy;  in copy_page_from_iter_iovec()
304 		buf += copy;  in copy_page_from_iter_iovec()
306 		copy = min(bytes, iov->iov_len - skip);  in copy_page_from_iter_iovec()
312 	left = copyin(to, buf, copy);  in copy_page_from_iter_iovec()
313 	copy -= left;  in copy_page_from_iter_iovec()
314 	skip += copy;  in copy_page_from_iter_iovec()
315 	to += copy;  in copy_page_from_iter_iovec()
316 	bytes -= copy;  in copy_page_from_iter_iovec()
320 		copy = min(bytes, iov->iov_len);  in copy_page_from_iter_iovec()
321 		left = copyin(to, buf, copy);  in copy_page_from_iter_iovec()
322 		copy -= left;  in copy_page_from_iter_iovec()
323 		skip = copy;  in copy_page_from_iter_iovec()
324 		to += copy;  in copy_page_from_iter_iovec()
325 		bytes -= copy;  in copy_page_from_iter_iovec()