CONFIG_NUMA is not available for the selected architecture x86.
Result is shown for architecture 64BIT or loongarch

NUMA Support

modulename: numa.ko

and/or

node.ko

and/or

mempolicy.ko

and/or

memory-tiers.ko

configname: CONFIG_NUMA

Linux Kernel Configuration
└─>Kernel type and options
└─>NUMA Support
In linux kernel since version 2.6.12 )
Say Y to compile the kernel with NUMA (Non-Uniform Memory Access)
support. This option improves performance on systems with more
than one NUMA node; on single node systems it is generally better
to leave it disabled.
selects
CONFIG_SMP

depends
CONFIG_64BIT