217 	unsigned long meta_len, data_len;  in TEST_F()  local
221 	data_len = desc->meta->subbuf_size * desc->meta->nr_subbufs;  in TEST_F()
224 	data = mmap(NULL, data_len, PROT_READ, MAP_SHARED,  in TEST_F()
227 	munmap(data, data_len);  in TEST_F()
230 	data_len -= desc->meta->subbuf_size;  in TEST_F()
231 	data = mmap(NULL, data_len, PROT_READ, MAP_SHARED,  in TEST_F()
234 	munmap(data, data_len);  in TEST_F()
238 	data = mmap(NULL, data_len, PROT_READ, MAP_SHARED,  in TEST_F()
244 		data_len = desc->meta->meta_page_size;  in TEST_F()
245 		data = mmap(NULL, data_len,  in TEST_F()
253 		munmap(data, data_len);  in TEST_F()