K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2014-09-21T09:06:50.270514Z
K 7
svn:log
V 170
Update and clarify comments.  Remove the useless counter for impossible, but
seen in wild situation (on buggy hypervisors).

In collaboration with:	bde
MFC after:	1 week

END