if [ ! -d src ]
then
    wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.5.tar.xz
    mkdir src
    mv linux-5.15.5.tar.xz src/
    cd src
        tar xf linux-5.15.5.tar.xz
        rm linux-5.15.5.tar.xz
        mv linux-5.15.5/* .
        rm -rf linux-5.15.5

    cd -

fi
cd src
make mrproper
cp ../.config .config
make -j$(nproc) bzImage
cp arch/x86_64/boot/bzImage vmlinuz
cd -