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/freebsd-11-stable/sys/vm/
H A Dvm_radix.hdiff 246794 Thu Feb 14 13:36:13 MST 2013 attilio 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
H A Dvm_radix.cdiff 246794 Thu Feb 14 13:36:13 MST 2013 attilio 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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