systemd-zram-service from home:okitaxxx project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:okitaxxx/openSUSE_Tumbleweed/home:okitaxxx.repo zypper refresh zypper install systemd-zram-service