No loop kernel module on Rasberry Pi?

I need to map some partitions out of a disk image and unfortunately there is no loop Kernel module present in my installation of Manjaro on Raspberry Pi 4.

Is there a way to get that module so I can use mount -o loop?

Edit:

It seems that installing the device-mapper package helps, but I am not sure how and why.

The CONFIG_BLK_DEV_LOOP option is enabled in the kernel config. It is built-in, so not a module. What does losetup say?