Re: [PATCHv3 04/10] linux/kernel: introduce lower_48_bits macro

Keith Busch
2022-02-22T16:56:20Z

On Tue, Feb 22, 2022 at 05:50:45PM +0100, Christoph Hellwig wrote:
> On Tue, Feb 22, 2022 at 08:45:53AM -0800, Joe Perches wrote:
> > On Tue, 2022-02-22 at 08:31 -0800, Keith Busch wrote:
> > > +/**
> > > + * lower_48_bits - return bits 0-47 of a number
> > > + * @n: the number we're accessing
> > > + */
> > > +#define lower_48_bits(n) ((u64)((n) & 0xffffffffffffull))
> >
> > why not make this a static inline function?
>
> Agreed.

Sure, that sounds good to me. I only did it this way to match the
existing local convention, but I personally prefer the inline function
too.