== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 00:17:40 (1773202660)
100+0 records in
100+0 records out
104857600 bytes (105 MB, 100 MiB) copied, 16.9559 s, 6.2 MB/s
Total memory: 3781772 KiB
Cache used before read: 98792 KiB
Cache used after read: 201248 KiB
Cache used after dontneed ladvise: 98840 KiB