CONFIG_ARCH_SELECT_MEMORY_MODEL is not available for the selected architecture x86.
Result is shown for architecture loongarch

CONFIG_ARCH_SELECT_MEMORY_MODEL (not configurable)

configname: CONFIG_ARCH_SELECT_MEMORY_MODEL

Linux Kernel Configuration
└─>ARCH_SELECT_MEMORY_MODEL
In linux kernel since version 2.6.13 (release Date: 2005-08-28)