CONFIG_MAXPHYSMEM_1GB is not available for thedefaultarchitecture x86.
Result is shown for architecture riscv
default or selected kernelversion does not have config value CONFIG_MAXPHYSMEM_1GB.
Result is shown for kernelversion 6.9.8
1GiB
configname: CONFIG_MAXPHYSMEM_1GB
Maximum Physical Memory
└─>1GiB