K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2018-01-02T04:35:56.262155Z
K 7
svn:log
V 390
Fix arc after r326347 broke various memory limit queries.  Use UMA features
rather than kmem arena size to determine available memory.

Initialize the UMA limit to LONG_MAX to avoid spurious wakeups on boot before
the real limit is set.

PR:		224330 (partial), 224080
Reviewed by:	markj, avg
Sponsored by:	Netflix / Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D13494

END