numa: equally distribute memory on nodes

[mirror_qemu.git] / hw / core / machine.c

diff --git a/hw/core/machine.c b/hw/core/machine.c
index 0d92672203877f46975b7bc86269edebdc1d3296..2482c630c1ec248f3e61a9ce28975da73d84b545 100644 (file)
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -17,6 +17,7 @@
 #include "qapi/visitor.h"
 #include "hw/sysbus.h"
 #include "sysemu/sysemu.h"
+#include "sysemu/numa.h"
 #include "qemu/error-report.h"
 #include "qemu/cutils.h"
 
@@ -396,6 +397,12 @@ static void machine_class_init(ObjectClass *oc, void *data)
     mc->default_ram_size = 128 * M_BYTE;
     mc->rom_file_has_mr = true;
 
+    /* numa node memory size aligned on 8MB by default.
+     * On Linux, each node's border has to be 8MB aligned
+     */
+    mc->numa_mem_align_shift = 23;
+    mc->numa_auto_assign_ram = numa_default_auto_assign_ram;
+
     object_class_property_add_str(oc, "accel",
         machine_get_accel, machine_set_accel, &error_abort);
     object_class_property_set_description(oc, "accel",