== sanity test 255b: check 'lfs ladvise -a dontneed' ===== 00:05:42 (1790741142)
100+0 records in
100+0 records out
104857600 bytes (105 MB, 100 MiB) copied, 10.9635 s, 9.6 MB/s
Total memory: 3781768 KiB
Cache used before read: 99832 KiB
Cache used after read: 202456 KiB
Cache used after dontneed ladvise: 100052 KiB