CONFIG_X86_PMEM_LEGACY_DEVICE (not configurable)

modulename: pmem.ko

configname: CONFIG_X86_PMEM_LEGACY_DEVICE

Linux Kernel Configuration
└─>Processor type and features
└─>X86_PMEM_LEGACY_DEVICE
In linux kernel since version 4.1 (release Date: 2015-06-21)  
source code:
arch/x86/kernel/pmem.c
is depended by
CONFIG_X86_PMEM_LEGACY