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Diffstat (limited to 'hw/i386/pc_q35.c')
-rw-r--r--hw/i386/pc_q35.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 04b2684d37..cd57bced1a 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -94,6 +94,9 @@ static void pc_q35_init(MachineState *machine)
/* Handle the machine opt max-ram-below-4g. It is basically doing
* min(qemu limit, user limit).
*/
+ if (!pcms->max_ram_below_4g) {
+ pcms->max_ram_below_4g = 1ULL << 32; /* default: 4G */;
+ }
if (lowmem > pcms->max_ram_below_4g) {
lowmem = pcms->max_ram_below_4g;
if (machine->ram_size - lowmem > lowmem &&