K 10
svn:author
V 3
slm
K 8
svn:date
V 27
2017-05-25T19:14:44.159924Z
K 7
svn:log
V 196
Fix several problems with mapping code.

Reviewed by:    ken, scottl, asomers, ambrisko, mav
Approved by:	ken, mav
MFC after:      1 week
Differential Revision: https://reviews.freebsd.org/D10878

END