default or selected kernelversion does not have config value CONFIG_VIDEOBUF_VMALLOC.
Result is shown for kernelversion 6.9.9
CONFIG_VIDEOBUF_VMALLOC (not configurable)
modulename: videobuf-vmalloc.ko
configname: CONFIG_VIDEOBUF_VMALLOC
Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Video4Linux options
└─>VIDEOBUF_VMALLOC