== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 00:16:07 (1788840967)
100+0 records in
100+0 records out
104857600 bytes (105 MB, 100 MiB) copied, 14.8812 s, 7.0 MB/s
Total memory: 3781772 KiB
Cache used before read: 100120 KiB
Cache used after read: 202632 KiB
Cache used after dontneed ladvise: 100232 KiB