you are concerned with the code size or don't want to see these
messages.
+config DEBUG_STACK_USAGE
+ bool "Enable stack utilization instrumentation"
+ depends on DEBUG_KERNEL
+ help
+ Enables the display of the minimum amount of free stack which each
+ task has ever had available in the sysrq-T output.
# These options are only for real kernel hackers who want to get their hands dirty.
config DEBUG_LL