CONFIG_ARCH_HAS_DMA_COHERENT_TO_PFN (not configurable)

configname: CONFIG_ARCH_HAS_DMA_COHERENT_TO_PFN

Linux Kernel Configuration
└─>Library routines
└─>ARCH_HAS_DMA_COHERENT_TO_PFN
In linux kernel since version 4.2 (release Date: 2015-08-30)