sudo nano/etc/mkinitcpio.d/linux516.preset
copy this
# mkinitcpio preset file for the 'linux516' package
ALL_config="/etc/mkinitcpio.conf"
ALL_kver="/boot/vmlinuz-5.16-x86_64"
PRESETS=('default' 'fallback')
#default_config="/etc/mkinitcpio.conf"
default_image="/boot/initramfs-5.16-x86_64.img"
#default_options=""
#fallback_config="/etc/mkinitcpio.conf"
fallback_image="/boot/initramfs-5.16-x86_64-fallback.img"
fallback_options="-S autodetect"
save with Ctrl+X
sudo mhwd-kernel -i linux516
sudo update-grub
reboot