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

CONFIG_PTDUMP_CORE (not configurable)

modulename: ptdump.ko

and/or

dump_pagetables.ko

configname: CONFIG_PTDUMP_CORE

Linux Kernel Configuration
└─>Kernel hacking
└─>Memory Debugging
└─>PTDUMP_CORE
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code:
mm/ptdump.c
is depended by
CONFIG_PTDUMP_DEBUGFS