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(parent: c19e880) | patch
memory: allow phys_map tree paths to terminate early
authorAvi Kivity <[email protected]>
Mon, 13 Feb 2012 18:45:32 +0000 (20:45 +0200)
committerAvi Kivity <[email protected]>
Wed, 29 Feb 2012 11:44:45 +0000 (13:44 +0200)
commit07f07b31e57efa6e4f563802136ffa1694a2692b
tree08279523676b35f6ab07c76d0c5914fcdec8d45btree | snapshot
parentc19e8800d4a9c019299cc9232b4e628469a81d2dcommit | diff
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 <[email protected]>
exec.c diff | blob | blame | history
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