CONFIG_PTDUMP (not configurable)

modulename: dump_pagetables.ko

and/or

ptdump.ko

configname: CONFIG_PTDUMP

Linux Kernel Configuration
└─>Kernel hacking
└─>Memory Debugging
└─>PTDUMP
In linux kernel since version 5.4.295 (release Date: 2025-06-27)  
source code:
mm/ptdump.c