DMA Test client

modulename: dmatest.ko

configname: CONFIG_DMATEST

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>DMA Test client
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Simple DMA test client. Say N unless you're debugging a
DMA Device driver.

source code:
drivers/dma/dmatest.c