== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 00:44:33 (1746074673)
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 3.83988 s, 27.3 MB/s
Total memory: 3820268 KiB
Cache used before read: 73348 KiB
Cache used after read: 175824 KiB
Cache used after dontneed ladvise: 73392 KiB