[OS] docs of psutil.virtual_memory()

[guettli]

Please add a note to the docs:

psutil.virtual_memory()
Return statistics about system memory usage as a named tuple including the following fields,
expressed in bytes. Main metrics:
total: total physical memory.

Source: https://psutil.readthedocs.io/en/latest/index.html#psutil.virtual_memory

Is total inclusive or exclusive swap?

[giampaolo]

Exclusive