30-Kernel defconfig configuration

Android configuration deconfig

kernel path

longan/kernel/linux-5.4/

Kernel config configuration related commands

cd longan

# loadconfig|menuconfig|saveconfig|mergeconfig

// Import defconfig
./build.sh loadconfig

// Open menuconfig for configuration
./build.sh menuconfig

// save defconfig
./build.sh saveconfig

open DEBUG_FS

Kernel hacking > 
	Compile-time checks and compiler options >
		 [*] Debug Filesystem