CONFIG_NEED_PER_CPU_KM (not configurable)

configname: CONFIG_NEED_PER_CPU_KM

Linux Kernel Configuration
└─>Memory Management options
└─>NEED_PER_CPU_KM
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
depends
NOT CONFIG_MMU or  NOT CONFIG_SMP