CONFIG_HOLES_IN_ZONE is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_HOLES_IN_ZONE.
Result is shown for kernelversion 6.9.9

CONFIG_HOLES_IN_ZONE (not configurable)

configname: CONFIG_HOLES_IN_ZONE

Linux Kernel Configuration
└─>HOLES_IN_ZONE
In linux kernel since version 2.6.12