CONFIG_RESCTRL_FS_PSEUDO_LOCK (not configurable)

modulename: pseudo_lock.ko

configname: CONFIG_RESCTRL_FS_PSEUDO_LOCK

Linux Kernel Configuration
└─>Processor type and features
└─>RESCTRL_FS_PSEUDO_LOCK
In linux kernel since version 5.4.295 (release Date: 2025-06-27)  
Software mechanism to pin data in a cache portion using
micro-architecture specific knowledge.

source code:
arch/x86/kernel/cpu/resctrl/pseudo_lock.c