On Thu, Aug 03, 2023 at 10:24:46AM -0700, Andrew Morton wrote:
> On Thu, 3 Aug 2023 16:19:18 +0300 Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
...
> > +#define abs_diff(a, b) ({ \
> > + typeof(a) __a = (a); \
> > + typeof(b) __b = (b); \
> > + (void)(&__a == &__b); \
> > + __a > __b ? (__a - __b) : (__b - __a); \
> > +})
>
> Can we document it please?
>
> Also, the open-coded type comparison could be replaced with __typecheck()?
>
> And why the heck isn't __typecheck() in typecheck.h, to be included by
> minmax.h.
>
> etcetera. Sigh. I'll grab it, but please at least send along some
> kerneldoc?
Sure and thank you!
--
With Best Regards,
Andy Shevchenko
