You can find a pretty good number of tutorial in the Resources category
Resources Index
some of which might be of help.
Do these?
How to have root, home, and swap partitions created during OpenMandriva Lx installation
Tips for Manual Partitioning with Calamares installer
How to use swap file for hibernation and hybrid sleep
Creating a swap file after installation (may be used for hybrid sleep and hibernation)
To be honest I don’t know because I don’t use /swap on my systems.