diff --git a/rootfs.py b/rootfs.py
index 43382d51..946584c4 100755
--- a/rootfs.py
+++ b/rootfs.py
@@ -256,7 +256,7 @@ print(shutil.which('chroot'))
             system_a.prepare(create_initramfs=True, kernel_bootstrap=True)
             run(args.qemu_cmd,
                 '-enable-kvm',
-                '-m', "4G",
+                '-m', "8G",
                 '-smp', str(args.cores),
                 '-no-reboot',
                 '-drive', 'file=' + os.path.join(system_a.tmp_dir, 'sysa.img') + ',format=raw',
diff --git a/sysa/kexec-fiwix/src/kexec-fiwix.c b/sysa/kexec-fiwix/src/kexec-fiwix.c
index 54739004..a75d0448 100644
--- a/sysa/kexec-fiwix/src/kexec-fiwix.c
+++ b/sysa/kexec-fiwix/src/kexec-fiwix.c
@@ -123,7 +123,7 @@ int main() {
 
 	/* Set memory map info */
 	pmultiboot_info->mmap_addr = next_avail_mem;
-	pmultiboot_info->mmap_length = 7 * sizeof(multiboot_memory_map_t);
+	pmultiboot_info->mmap_length = 8 * sizeof(multiboot_memory_map_t);
 	multiboot_memory_map_t *pmultiboot_memory_map = (multiboot_memory_map_t *) next_avail_mem;
 
 	pmultiboot_memory_map->size = sizeof(multiboot_memory_map_t) - sizeof(multiboot_uint32_t);
@@ -168,6 +168,14 @@ int main() {
 	pmultiboot_memory_map->type = MULTIBOOT_MEMORY_RESERVED;
 	pmultiboot_memory_map++;
 
+	pmultiboot_memory_map->size = sizeof(multiboot_memory_map_t) - sizeof(multiboot_uint32_t);
+	pmultiboot_memory_map->addr = 1;
+	pmultiboot_memory_map->addr = pmultiboot_memory_map->addr << 32;
+	pmultiboot_memory_map->len  = 1;
+	pmultiboot_memory_map->len  = pmultiboot_memory_map->len  << 32;
+	pmultiboot_memory_map->type = MULTIBOOT_MEMORY_AVAILABLE;
+	pmultiboot_memory_map++;
+
 	next_avail_mem += pmultiboot_info->mmap_length;
 
 	/* Set boot loader name */