== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 08:21:20 (1787746880) 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 17.275 s, 6.1 MB/s Total memory: 3781772 KiB Cache used before read: 99744 KiB Cache used after read: 202280 KiB Cache used after dontneed ladvise: 99872 KiB