default or selected kernelversion does not have config value CONFIG_DYNAMIC_MEMORY_LAYOUT.
Result is shown for kernelversion 6.9.9
CONFIG_DYNAMIC_MEMORY_LAYOUT (not configurable)
configname: CONFIG_DYNAMIC_MEMORY_LAYOUT
Linux Kernel Configuration
└─>Processor type and features
└─>DYNAMIC_MEMORY_LAYOUT
In linux kernel since version 4.2 (release Date: 2015-08-30)
This option makes base addresses of vmalloc and vmemmap as well as
__PAGE_OFFSET movable during boot.
__PAGE_OFFSET movable during boot.