CONFIG_VIDEOBUF_DMA_CONTIG (not configurable)

modulename: videobuf-dma-contig.ko

configname: CONFIG_VIDEOBUF_DMA_CONTIG

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Video4Linux options
└─>VIDEOBUF_DMA_CONTIG
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
source code:
drivers/media/v4l2-core/videobuf-dma-contig.c