CONFIG_MIPS_PGD_C0_CONTEXT is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

CONFIG_MIPS_PGD_C0_CONTEXT (not configurable)

configname: CONFIG_MIPS_PGD_C0_CONTEXT

Linux Kernel Configuration
└─>MIPS_PGD_C0_CONTEXT
In linux kernel since version 2.6.33 (release Date: 2010-02-24)