default or selected kernelversion does not have config value CONFIG_X86_PTDUMP_CORE.
Result is shown for kernelversion 6.9.9

CONFIG_X86_PTDUMP_CORE (not configurable)

modulename: dump_pagetables.ko

configname: CONFIG_X86_PTDUMP_CORE

Linux Kernel Configuration
└─>Kernel hacking
└─>X86_PTDUMP_CORE
In linux kernel since version 3.10 (release Date: 2013-06-30)