== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 12:15:33 (1790784933) 100+0 records in 100+0 records out 104857600 bytes (105 MB, 100 MiB) copied, 15.636 s, 6.7 MB/s Total memory: 3781772 KiB Cache used before read: 98824 KiB Cache used after read: 201320 KiB Cache used after dontneed ladvise: 98920 KiB