default or selected kernelversion does not have config value CONFIG_MEMORY_HOTPLUG_SPARSE.
Result is shown for kernelversion 6.9.9
CONFIG_MEMORY_HOTPLUG_SPARSE (not configurable)
modulename: memory.ko
configname: CONFIG_MEMORY_HOTPLUG_SPARSE
Linux Kernel Configuration
└─>Memory Management options
└─>MEMORY_HOTPLUG_SPARSE