CONFIG_OF_RESERVED_MEM (not configurable)
modulename: of_reserved_mem.ko
configname: CONFIG_OF_RESERVED_MEM
Linux Kernel Configuration
└─>Device Drivers
└─>Device Tree and Open Firmware support
└─>OF_RESERVED_MEM
In linux kernel since version 3.10 (release Date: 2013-06-30)
Helpers to allow for reservation of memory regions