K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2019-06-20T18:19:09.079706Z
K 7
svn:log
V 383
Clarify that vm_map_protect cannot upgrade max_protection

It's implied by the man page's RETURN VALUES section, but be explicit in
the description that vm_map_protect can not set new protection bits that
are already in each entry's max_protection.

Reviewed by:	brooks
MFC After:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D20709

END