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memory: add ref/unref

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Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-05-07 09:06:00 +02:00
parent 803c0816a7
commit 46637be269
2 changed files with 44 additions and 0 deletions
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14
memory.c
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@ -1019,6 +1019,20 @@ Object *memory_region_owner(MemoryRegion *mr)
return mr->owner;
}
void memory_region_ref(MemoryRegion *mr)
{
if (mr && mr->owner) {
object_ref(mr->owner);
}
}
void memory_region_unref(MemoryRegion *mr)
{
if (mr && mr->owner) {
object_unref(mr->owner);
}
}
uint64_t memory_region_size(MemoryRegion *mr)
{
if (int128_eq(mr->size, int128_2_64())) {