default or selected kernelversion does not have config value CONFIG_HAVE_MMU_GATHER_PAGE_SIZE.
Result is shown for kernelversion 6.9.8
CONFIG_HAVE_MMU_GATHER_PAGE_SIZE (not configurable)
configname: CONFIG_HAVE_MMU_GATHER_PAGE_SIZE
Linux Kernel Configuration
└─>General architecture-dependent options
└─>HAVE_MMU_GATHER_PAGE_SIZE