K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2017-05-05T10:01:27.549311Z
K 7
svn:log
V 370
Add reclaim_pv_chunk on arm64. This is based on the amd64 code so should
operate similarly, other than not needing the delayed invalidation.

It has been tested with artificial injection of vm_page_alloc failures
while running 'sort /dev/zero'.

Reviewed by:	alc, kib
MFC after:	1 week
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D10574

END