Commit 37d7c084 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

memory: add memory_region_ram_resize 



This is a simple MemoryRegion wrapper for qemu_ram_resize.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent e95205e1

include/exec/memory.h

+12 −0
Original line number Diff line number Diff line
@@ -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.

 *

memory.c

+7 −0
Original line number Diff line number Diff line
@@ -1452,6 +1452,13 @@ void *memory_region_get_ram_ptr(MemoryRegion *mr) 
    return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);

}



void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize, Error **errp)

{

    assert(mr->terminates);



    qemu_ram_resize(mr->ram_addr, newsize, errp);

}



static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as)

{

    FlatView *view;