On Fri, Jun 14, 2019 at 03:01:22PM +0000, David Laight wrote: > I'm pretty sure there is a lot of code out there that makes that assumption. > Without it many drivers will have to allocate almost double the > amount of memory they actually need in order to get the required alignment. > So instead of saving memory you'll actually make more be used. That code would already be broken on a lot of Linux platforms.