CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE (not configurable)

configname: CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE

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