Enable EFI fake memory map

modulename: fake_map.ko

configname: CONFIG_EFI_FAKE_MEMMAP

Linux Kernel Configuration
└─>Device Drivers
└─>Firmware Drivers
└─>EFI (Extensible Firmware Interface) Support
└─>Enable EFI fake memory map
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Saying Y here will enable "efi_fake_mem" boot option.
By specifying this parameter, you can add arbitrary attribute
to specific memory range by updating original (firmware provided)
EFI memmap.
This is useful for debugging of EFI memmap related feature.
e.g. Address Range Mirroring feature.

source code: