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memory: add memory_region_ram_resize

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This is a simple MemoryRegion wrapper for qemu_ram_resize.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
2015-04-27 18:24:18 +02:00
parent e95205e1f9
commit 37d7c08413
2 changed files with 19 additions and 0 deletions
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include/exec/memory.h
+12
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@@ -605,6 +605,18 @@ int memory_region_get_fd(MemoryRegion *mr);
*/
void *memory_region_get_ram_ptr(MemoryRegion *mr);
/* memory_region_ram_resize: Resize a RAM region.
*
* Only legal before guest might have detected the memory size: e.g. on
* incoming migration, or right after reset.
*
* @mr: a memory region created with @memory_region_init_resizeable_ram.
* @newsize: the new size the region
* @errp: pointer to Error*, to store an error if it happens.
*/
void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize,
Error **errp);
/**
* memory_region_set_log: Turn dirty logging on or off for a region.
*