CONFIG_PT_RECLAIM (not configurable)
configname: CONFIG_PT_RECLAIM
Linux Kernel Configuration
└─>Memory Management options
└─>PT_RECLAIM
In linux kernel since version 5.4.292 (release Date: 2025-04-10)
Try to reclaim empty user page table pages in paths other than munmap
and exit_mmap path.
Note: now only empty user PTE page table pages will be reclaimed.
and exit_mmap path.
Note: now only empty user PTE page table pages will be reclaimed.