Debug access to per_cpu maps


Linux Kernel Configuration
└─>Kernel hacking
└─>Memory Debugging
└─>Debug access to per_cpu maps
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
Say Y to verify that the per_cpu map being accessed has
been set up. This adds a fair amount of code to kernel memory
and decreases performance.

Say N if unsure.