== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 00:16:45 (1769059005)
100+0 records in
100+0 records out
104857600 bytes (105 MB, 100 MiB) copied, 12.4974 s, 8.4 MB/s
Total memory: 3781768 KiB
Cache used before read: 98780 KiB
Cache used after read: 201264 KiB
Cache used after dontneed ladvise: 98864 KiB