== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 07:18:33 (1787743113) 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 13.5061 s, 7.8 MB/s Total memory: 3781772 KiB Cache used before read: 99880 KiB Cache used after read: 202384 KiB Cache used after dontneed ladvise: 99988 KiB