CONFIG_FW_LOADER_PAGED_BUF (not configurable)

configname: CONFIG_FW_LOADER_PAGED_BUF

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Driver Options
└─>Firmware loader
└─>FW_LOADER_PAGED_BUF
In linux kernel since version 5.1 (release Date: 2019-05-05)