K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2017-07-26T16:55:07.223938Z
K 7
svn:log
V 252
MFC r318924 (by avg):
arc_init: make code closer to upstream by introducing 'allmem' variable

All the differences in calculations are kept.
A comment about arc_max being 1/2 of all memory is fixed to reflect the
actual code that uses 5/8 as a factor.

END