CONFIG_DEBUG_INFO (not configurable)

configname: CONFIG_DEBUG_INFO

Linux Kernel Configuration
└─>Kernel hacking
└─>Compile-time checks and compiler options
└─>DEBUG_INFO
In linux kernel since version 2.6.12  
A kernel debug info option other than "None" has been selected
in the "Debug information" choice below, indicating that debug
information will be generated for build targets.