lru_gen

What mglru actually replaces The multi-generational LRU (mglru, also lru_gen in the kernel source) is the replacement page-reclaim algorithm merged in Linux 6.1 (commit c174c2cd0441, end of 2022, Yu Zhao’s 12-patch series). It sits next to the classic active/inactive LRU — both compile paths exist in mm/vmscan.c and you choose at boot with CONFIG_LRU_GEN_ENABLED. The... » read more