CONFIG_DAX_DRIVER (not configurable)

configname: CONFIG_DAX_DRIVER

Linux Kernel Configuration
└─>Device Drivers
└─>DAX_DRIVER
In linux kernel since version 3.10 (release Date: 2013-06-30)  
selects
CONFIG_DAX

is selected by
CONFIG_FUSE_DAX

is depended by
CONFIG_BLK_DEV_PMEM