Re: [RFC PATCH 1/6] kenrel.h: add ALIGN_OF_LAST_BIT()

[Christoph Lameter]

On Tue, 20 Mar 2012, Alexey Dobriyan wrote:

> >> +#define ALIGN_OF_LAST_BIT(x) Â ((((x)^((x) - 1))>>1) + 1)
> >
> >
> > Wouldn't ALIGNMENT() be less confusing? After all, that's what this macro is
> > calculating, right? Alignment of given address.
>
> Bits do not have alignment because they aren't directly addressable.
> Can you hardcode this sequence with comment, because it looks too
> special for macro.

Some sane naming please. This is confusing.