CONFIG_NUMA is not available for the selected architecture x86.
Result is shown for architecture s390

NUMA support

modulename: numa.ko

and/or

node.ko

and/or

mempolicy.ko

and/or

memory-tiers.ko

configname: CONFIG_NUMA

Linux Kernel Configuration
└─>Processor type and features
└─>NUMA support
In linux kernel since version 2.6.12 )
Enable NUMA support

This option adds NUMA support to the kernel.
source code:
arch/mips/loongson64/numa.c

is selected by
CONFIG_NUMA_MIGRATION