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-rw-r--r--hw/core/machine.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 77a356f232..a0ee43ca5c 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -17,6 +17,7 @@
#include "hw/loader.h"
#include "qapi/error.h"
#include "qapi/qapi-visit-machine.h"
+#include "qemu/madvise.h"
#include "qom/object_interfaces.h"
#include "sysemu/cpus.h"
#include "sysemu/sysemu.h"
@@ -1129,7 +1130,7 @@ static void machine_initfn(Object *obj)
container_get(obj, "/peripheral-anon");
ms->dump_guest_core = true;
- ms->mem_merge = true;
+ ms->mem_merge = (QEMU_MADV_MERGEABLE != QEMU_MADV_INVALID);
ms->enable_graphics = true;
ms->kernel_cmdline = g_strdup("");
ms->ram_size = mc->default_ram_size;