tree 08279523676b35f6ab07c76d0c5914fcdec8d45b
parent c19e8800d4a9c019299cc9232b4e628469a81d2d
author Avi Kivity <avi@redhat.com> 1329158732 +0200
committer Avi Kivity <avi@redhat.com> 1330515885 +0200

memory: allow phys_map tree paths to terminate early

When storing large contiguous ranges in phys_map, all values tend to
be the same pointers to a single MemoryRegionSection.  Collapse them
by marking nodes with level > 0 as leaves.  This reduces tree memory
usage dramatically.

Signed-off-by: Avi Kivity <avi@redhat.com>