In attanchment.
root@kernel:~/Documents/mm/tools/linux-ftools# dd if=../../../images/ubuntu-11.04-desktop-i386.iso of=/tmpfs 1403484+0 records in 1403484+0 records out 718583808 bytes (719 MB) copied, 19.5054 s, 36.8 MB/s root@kernel:~/Documents/mm/tools/linux-ftools# ./linux-fincore -s ../../../images/ubuntu-11.04-desktop-i386.iso filename size total_pages min_cached page cached_pages cached_size cached_perc -------- ---- ----------- --------------- ------------ ----------- ----------- ../../../images/ubuntu-11.04-desktop-i386.iso 718583808 175436 0 175436 718585856 100.00 --- total cached size: 718585856 root@kernel:~/Documents/mm/tools/linux-ftools# ./linux-fadvise ../../../images/ubuntu-11.04-desktop-i386.iso DONTNEED 0,718585856 Going to fadvise ../../../images/ubuntu-11.04-desktop-i386.iso as mode DONTNEED offset: 0 length: 718583808 Invalid mode DONTNEED root@kernel:~/Documents/mm/tools/linux-ftools# ./linux-fincore -s ../../../images/ubuntu-11.04-desktop-i386.iso filename size total_pages min_cached page cached_pages cached_size cached_perc -------- ---- ----------- --------------- ------------ ----------- ----------- ../../../images/ubuntu-11.04-desktop-i386.iso 718583808 175436 0 175436 718585856 100.00 --- total cached size: 718585856