kernelconfig_penguin
CONFIG_ARC_CURR_IN_REG is not available for the default architecture x86.
Result is shown for architecture arc

Dedicate Register r25 for current_task pointer

configname: CONFIG_ARC_CURR_IN_REG

Linux Kernel Configuration
└─> ARC Architecture Configuration
└─> Dedicate Register r25 for current_task pointer

This reserved Register R25 to point to Current Task in
kernel mode. This saves memory access for each such access