== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 15:10:40 (1787857840) 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 16.087 s, 6.5 MB/s Total memory: 3781768 KiB Cache used before read: 100028 KiB Cache used after read: 202592 KiB Cache used after dontneed ladvise: 100192 KiB