CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS (not configurable)

modulename: usercopy.ko

configname: CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS

Linux Kernel Configuration
└─>ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
lib/usercopy.c