Comment 28 for bug 1848790

Not to clutter up this bug - but some quick feedback:

 - originally installed with mem_total as proposed earlier
 - updated to your first patched kernel as mentioned earlier and removed mem_total
 - updated a day ago to the -proposed version of the kernel

can confirm:

pi4 4G RAM, booting from SD Card, mounting root from USB attached drive, just successfully installed centos8 using KVM...