On Wed, Dec 02, 2020 at 09:26:05AM -0800, Yury Norov wrote: > On Wed, Dec 2, 2020 at 3:50 AM Yun Levi <ppbuk5246@xxxxxxxxx> wrote: ... > I think this patch has some good catches. We definitely need to implement > find_last_zero_bit(), as it is used by fs/ufs, and their local > implementation is not optimal. Side note: speaking of performance, any plans to fix for_each_*_bit*() for cases when the nbits is known to be <= BITS_PER_LONG? Now it makes an awful code generation (something like few hundred bytes of code). -- With Best Regards, Andy Shevchenko
