On Wed, Nov 9, 2022 at 4:09 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > + BUILD_BUG_ON(flags > ENCODE_PAGE_BITS); Note that if this causes any problems with some compiler version in linux-next, just remove that line. It definitely is just a "nice to have, let's try it" kind of thing. If that happens, I'd be interested to know which compiler and config causes it to blow up, though. Just out of morbid curiosity. Linus