Compile the kernel with debug info

configname: CONFIG_DEBUG_INFO

Linux Kernel Configuration
└─>Compile-time checks and compiler options
└─>Compile the kernel with debug info
In linux kernel since version 2.6.12  
If you say Y here the resulting kernel image will include
debugging info resulting in a larger kernel image.
This adds debug symbols to the kernel and modules (gcc -g), and
is needed if you intend to use kernel crashdump or binary object
tools like crash, kgdb, LKCD, gdb, etc on the kernel.
Say Y here only if you plan to debug the kernel.

If unsure, say N.