On Sat, Feb 01, 2014 at 09:57:39PM +0800, Chen Gang wrote: > It seems, our kernel still stick to treate 'pack' region have effect > with both 'align' and 'sizeof'. > It's not about packed regions. It's about unions. It's saying the sizeof() a union is a multiple of 4 unless it's packed. union foo { short x; short y; }; The author intended the sizeof(union foo) to be 2 but on metag arch then it is 4. regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-metag" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html