/* Prefetch into L1 cache for write. */
#define prefetchw(addr) __builtin_prefetch((addr), 1)
-/* Declare that the members of the annotated struct are tightly packed, and the
- * struct itself may be misaligned. */
-#define _packed_attribute __attribute__((packed))
-
/* Declare that pointers to the annotated type may alias other pointers. */
#define _may_alias_attribute __attribute__((may_alias))