Re: [PATCH v10 1/4] bitops: Introduce the for_each_set_clump macro

[Andy Shevchenko]

On Sat, Oct 03, 2020 at 08:38:14PM +0530, Syed Nayyar Waris wrote:
> On Sat, Oct 3, 2020 at 6:32 PM Andy Shevchenko
> <andy.shevchenko@xxxxxxxxx> wrote:
> > On Sat, Oct 3, 2020 at 3:56 PM William Breathitt Gray
> > <vilhelm.gray@xxxxxxxxx> wrote:
> > > On Sat, Oct 03, 2020 at 03:45:04PM +0300, Andy Shevchenko wrote:
> > > > On Sat, Oct 3, 2020 at 2:37 PM Syed Nayyar Waris <syednwaris@xxxxxxxxx> wrote:
> > > > > On Sat, Oct 3, 2020 at 2:14 PM Andy Shevchenko
> > > > > <andy.shevchenko@xxxxxxxxx> wrote:
> > > > > > On Sat, Oct 3, 2020 at 2:51 AM Syed Nayyar Waris <syednwaris@xxxxxxxxx> wrote:

...

> > > > > > > +               map[index] &= ~BITMAP_FIRST_WORD_MASK(start);
> > > > > > > +               map[index] |= value << offset;
> > > >
> > > > Side note: I would prefer + 0 here and there, but it's up to you.
> 
> Andy what do you mean by the above statement, can you please clarify?
> Can you please elaborate on the above statement.

Sure. I meant something like

               map[index + 0] &= ~BITMAP_FIRST_WORD_MASK(start);
               map[index + 0] |= value << offset;

> > > > > > > +               map[index + 1] &= ~BITMAP_LAST_WORD_MASK(start + nbits);
> > > > > > > +               map[index + 1] |= (value >> space);

-- 
With Best Regards,
Andy Shevchenko