Test driver using RAM

modulename: mtdram.ko

configname: CONFIG_MTD_MTDRAM

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>Self-contained MTD device drivers
└─>Test driver using RAM
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This enables a test MTD device driver which uses vmalloc() to
provide storage. You probably want to say 'N' unless you're
testing stuff.

source code: