CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL (not configurable)

configname: CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL

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