On Tue, Apr 18, 2023 at 12:49:29AM +0200, Arnd Bergmann wrote: > On Tue, Apr 18, 2023, at 00:15, Luis Chamberlain wrote: > > On Tue, Apr 18, 2023 at 12:02:47AM +0200, Arnd Bergmann wrote: > >> I have no idea if there is a risk of these variables actually > >> overflowing 'long' on 32-bit machines. If they provably can't, it > >> would be better to do the opposite patch. > > > > I had originally used atomic64_t and added a debugfs knob for it but > > Linus had advised against it because its not a stat we care too much > > on 32-bit and atomic64 is nasty on 32-bit [0]. > > > > So I went with atomic_long and the cast becuase we're just reading. > > > > Is there a way to fix this without doing the fully jump? If not oh well. > > I've sent a v2 now that does it the other way round, which is > clearly much more efficient. Have only done minimal build testing > so far, but it passes the randconfigs that failed before. Thanks! You're too fast. Luis
