K 10
svn:author
V 7
attilio
K 8
svn:date
V 27
2013-02-14T15:23:00.793154Z
K 7
svn:log
V 435
The radix preallocation pages can overfow the biggestone segment, so
use a different scheme for preallocation: reserve few KB of nodes to be
used to cater page allocations before the memory can be efficiently
pre-allocated by UMA.

This at all effects remove boot_pages further carving and along with
this modifies to the boot_pages allocation system and necessity to
initialize the UMA zone before pmap_init().

Reported by:	pho, jhb

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