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

CONFIG_CPU_TLB_FEROCEON (not configurable)

modulename: tlb-v4wbi.ko

configname: CONFIG_CPU_TLB_FEROCEON

Linux Kernel Configuration
└─>CPU_TLB_FEROCEON
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Feroceon TLB (v4wbi with non-outer-cachable page table walks).

source code:
/arch/arm/mm/
depends
CONFIG_MMU