编译内核

cd /usr/src/linux
make && make modules_install
make install

find /lib/modules/<kernel version>/ -type f -iname '*.o' -or -iname '*.ko' | less

emerge genkernel
genkernel --install initramfs

安装

emerge --ask sys-kernel/genkernel
genkernel --install initramfs
cd /boot
mv initramfs-genkernel-x86_64-4.4.38-gentoo initramfs-4.4.38-gentoo