kernelconfig_penguin
CONFIG_ARCH_DISCONTIGMEM_ENABLE is not available for the default architecture x86.
Result is shown for architecture alpha
depends
CONFIG_BROKEN

Discontiguous Memory Support

configname: CONFIG_ARCH_DISCONTIGMEM_ENABLE

Linux Kernel Configuration
└─> System setup
└─> Discontiguous Memory Support

Say Y to support efficient handling of discontiguous physical memory,
for architectures which are either NUMA (Non-Uniform Memory Access)
or have huge holes in the physical address space for other reasons.
See Documentation/vm/numa.rst for more.