== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 08:12:54 (1787832774) 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 13.609 s, 7.7 MB/s Total memory: 3781772 KiB Cache used before read: 99604 KiB Cache used after read: 202164 KiB Cache used after dontneed ladvise: 99764 KiB