For documentation purposes, I'll write here the steps needed after the kernel upgrade:
Add zbud to /etc/initramfs-tools/modules in order to include the module and run update-initramfs -u afterwards. Then zswap.enabled=1 is enough in the (/etc/default/grub) kernel command line. Thanks for solving this, Ben! Regards, Kai -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: https://lists.debian.org/[email protected]

