#endif /* LINUX_VERSION_IS_LESS(5, 18, 0) */
+#if LINUX_VERSION_IS_LESS(6, 0, 0)
+
+#define __vstring(item, fmt, ap) __dynamic_array(char, item, 256)
+#define __assign_vstr(dst, fmt, va) \
+ WARN_ON_ONCE(vsnprintf(__get_dynamic_array(dst), 256, fmt, *va) >= 256)
+
+#endif /* LINUX_VERSION_IS_LESS(6, 0, 0) */
+
/* <DECLARE_EWMA> */
#include <linux/version.h>