static DECLARE_MUTEX(plug_mem_mutex);
static unsigned long long unplugged_pages_count = 0;
-static struct list_head unplugged_pages = LIST_HEAD_INIT(unplugged_pages);
+static LIST_HEAD(unplugged_pages);
static int unplug_index = UNPLUGGED_PER_PAGE;
static int mem_config(char *str, char **error_out)