default or selected kernelversion does not have config value CONFIG_MMU_GATHER_NO_RANGE.
Result is shown for kernelversion 6.9.9

CONFIG_MMU_GATHER_NO_RANGE (not configurable)

configname: CONFIG_MMU_GATHER_NO_RANGE

Linux Kernel Configuration
└─>General architecture-dependent options
└─>MMU_GATHER_NO_RANGE
In linux kernel since version 5.1 (release Date: 2019-05-05)