Enable compcache in ubuntu
Sometimes I'm running a lot of VM? which needs a lot of memory, so i try to enable compcache: vim /etc/initramfs-tools/initramfs.conf #Edit this line: COMPCACHE_SIZE="60 %" update-initramfs -u reboot After enabled, you can see new swap device (ramzswap): cat /proc/swaps Filename Type Size Used Priority /dev/ramzswap0 partition 1229208 0 100 /dev/sda3 partition 2064344 0 -1 http://code.google.com/p/compcache/