memory: add memory_region_set_size
Add API to change MR size.
Will be used internally for RAM resize.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/exec/memory.h b/include/exec/memory.h
index f64ab5e..0882221 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -878,6 +878,16 @@
void memory_region_set_address(MemoryRegion *mr, hwaddr addr);
/*
+ * memory_region_set_size: dynamically update the size of a region.
+ *
+ * Dynamically updates the size of a region.
+ *
+ * @mr: the region to be updated
+ * @size: used size of the region.
+ */
+void memory_region_set_size(MemoryRegion *mr, uint64_t size);
+
+/*
* memory_region_set_alias_offset: dynamically update a memory alias's offset
*
* Dynamically updates the offset into the target region that an alias points
