K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2016-09-16T12:36:11.049627Z
K 7
svn:log
V 278
MFC 304004, 304596, 304598, 304599, 304600, 304604, 304620, 304685, 304687,
    304688, 304689, 304746, 304749, 304750, 304806, 305071, 305191:
Merge arm64 superpage support, however leave it disabled by default.

MFC after:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation

END