CONFIG_KERNEL_LOAD_ADDRESS is not available for the default architecture x86.
Result is shown for architecture xtensa

Kernel load address


Linux Kernel Configuration
└─> Processor type and features
└─> Kernel load address

In linux kernel since version 3.10 (release Date: 2013-06-30)  

This is the address where the kernel is loaded.
It is virtual address for MMUv2 configurations and physical address
for all other configurations.

If unsure, leave the default value here.