CONFIG_NEED_KUSER_HELPERS is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_NEED_KUSER_HELPERS (not configurable)

configname: CONFIG_NEED_KUSER_HELPERS

Linux Kernel Configuration
└─>NEED_KUSER_HELPERS
In linux kernel since version 3.10.2 (release Date: 2013-07-21)