CONFIG_VIDEOBUF2_VMALLOC (not configurable)

modulename: videobuf2-vmalloc.ko

configname: CONFIG_VIDEOBUF2_VMALLOC

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>VIDEOBUF2_VMALLOC
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
source code:
drivers/media/v4l2-core/videobuf2-vmalloc.c