Index: kvm-userspace/qemu/vl.c
===================================================================
--- kvm-userspace.orig/qemu/vl.c
+++ kvm-userspace/qemu/vl.c
@@ -8501,6 +8501,31 @@ void qemu_get_launch_info(int *argc, cha
     *opt_incoming = incoming;
 }
 
+#define HPAGE_SIZE 2*1024*1024
+
+void *alloc_huge_area(unsigned long memory)
+{
+	void *area;
+	int fd;
+	char path[] = "/mnt/kvm.XXXXXX";
+
+	mkstemp(path);
+	fd = open(path, O_RDWR);
+	if (fd < 0) {
+		perror("open");
+		exit(0);
+	}
+	memory = (memory+HPAGE_SIZE-1) & ~(HPAGE_SIZE-1);
+
+	area = mmap(0, memory, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
+	if (area == MAP_FAILED) {
+		perror("mmap");
+		exit(0);
+	}
+
+	return area;
+}
+
 int main(int argc, char **argv)
 {
 #ifdef CONFIG_GDBSTUB
@@ -9330,9 +9355,9 @@ int main(int argc, char **argv)
 
             ret = kvm_qemu_check_extension(KVM_CAP_USER_MEMORY);
             if (ret) {
-		printf("allocating %d MB\n", phys_ram_size/1024/1024);
-                phys_ram_base = qemu_vmalloc(phys_ram_size);
-	        if (!phys_ram_base) {
+                //phys_ram_base = qemu_vmalloc(phys_ram_size);
+		phys_ram_base = alloc_huge_area(phys_ram_size);
+		if (!phys_ram_base) {
 		        fprintf(stderr, "Could not allocate physical memory\n");
 		        exit(1);
 	        }