Important: make sure not do just do -j, specificy a number of procs
wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.91.tar.xz
tar -xf linux-5.15.91.tar.xz
cd linux-5.15.91
sudo apt-get install syslinux isolinux
make menuconfig
scripts/config --disable SYSTEM_TRUSTED_KEYS
scripts/config --disable SYSTEM_REVOCATION_KEYS
scripts/config --disable CONFIG_DEBUG_INFO_BTF
make -j40