static void slab_bug(struct kmem_cache *s, char *fmt, ...)
{
	struct va_format vaf;
	va_list args;

	va_start(args, fmt);
	vaf.fmt = fmt;
	vaf.va = &args;
	pr_err("=============================================================================\n");
	pr_err("BUG %s (%s): %pV\n", s->name, print_tainted(), &vaf);
	pr_err("-----------------------------------------------------------------------------\n\n");

	add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
	va_end(args);
}