CONFIG_GEMINI_MEM_SWAP is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Gemini memory is swapped

configname: CONFIG_GEMINI_MEM_SWAP

Linux Kernel Configuration
└─>Gemini memory is swapped
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
Say Y here if Gemini memory is swapped by bootloader.