Compressed in-memory swap device (ramzswap)

modulename:  ramzswap.ko

configname: CONFIG_RAMZSWAP

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Compressed in-memory swap device (ramzswap)
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
Creates virtual block devices which can be used (only) as a swap
disks. Pages swapped to these disks are compressed and stored in
memory itself.

See ramzswap.txt for more information.
Project home: http://compcache.googlecode.com/

source code: