CONFIG_DM_PERSISTENT_DATA (not configurable)

modulename: dm-persistent-data.ko

configname: CONFIG_DM_PERSISTENT_DATA

Linux Kernel Configuration
└─>Device Drivers
└─>Multiple devices driver support (RAID and LVM)
└─>DM_PERSISTENT_DATA
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Library providing immutable on-disk data structure support for
device-mapper targets such as the thin provisioning target.

source code:
drivers/md/persistent-data/