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docs: mention AddressSpaces in docs/memory.txt 

Reported-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Paolo Bonzini 2013-05-06 18:23:38 +02:00 committed by Michael Tokarev
parent 59d8276293
commit 2d40178a33
1 changed files with 7 additions and 4 deletions
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docs/memory.txt
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@ -15,10 +15,13 @@ The memory model provides support for
- setting up coalesced memory for kvm
- setting up ioeventfd regions for kvm
Memory is modelled as a tree (really acyclic graph) of MemoryRegion objects.
The root of the tree is memory as seen from the CPU's viewpoint (the system
bus). Nodes in the tree represent other buses, memory controllers, and
memory regions that have been rerouted. Leaves are RAM and MMIO regions.
Memory is modelled as an acyclic graph of MemoryRegion objects. Sinks
(leaves) are RAM and MMIO regions, while other nodes represent
buses, memory controllers, and memory regions that have been rerouted.
In addition to MemoryRegion objects, the memory API provides AddressSpace
objects for every root and possibly for intermediate MemoryRegions too.
These represent memory as seen from the CPU or a device's viewpoint.
Types of regions
----------------