Memory leaks on my host running pve 8.4.1

Hi all
have you seen this issue?
I am running A Lenovo SR530 server: pve 8.4.1
20 x Intel(R) Xeon(R) Silver 4210 CPU @ 2.20GHz (1 Socket)
RAM: 192 GB

I am not using memory balooning for my Vms

i have 10 Vms with 8Gb each = total 80Gb
1 Vm with 4Gb
TOTAL allocated memory: 84Gb

my Host show usage of almost double that !



is there any Memory leak?

my server firmware update to the latest firmware drivers



regards,