CONFIG_GENERIC_ARCH_NUMA (not configurable)

modulename: arch_numa.ko

configname: CONFIG_GENERIC_ARCH_NUMA

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Driver Options
└─>GENERIC_ARCH_NUMA
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Enable support for generic NUMA implementation. Currently, RISC-V
and ARM64 use it.

source code:
drivers/base//arch_numa.c