On Tue, 15 Mar 2005, Andrew Morton wrote:
> Christoph Lameter <[EMAIL PROTECTED]> wrote:
> >
> > +#ifndef ____cacheline_pad_in_smp
> > +#if defined(CONFIG_SMP)
> > +#define ____cacheline_pad_in_smp struct { char x; }
> > ____cacheline_maxaligned_in_smp
> > +#else
> > +#define ____cacheline_pad_in_smp
> > +#endif
> > +#endif
>
> That's going to spit a warning with older gcc's. "warning: unnamed
> struct/union that defines no instances".
>
Is it really that important? If the struct is named then there may be
conflicts if its used repeatedly.
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