Re: [1/3] Add 4GB DMA32 zone

Andi Kleen
2005-09-12T12:47:18Z

On Monday 12 September 2005 14:45, Roman Zippel wrote:
> Hi,
>
> On Sun, 11 Sep 2005, Andi Kleen wrote:
> > -#define MAX_NR_ZONES 3 /* Sync this with ZONES_SHIFT */
> > -#define ZONES_SHIFT 2 /* ceil(log2(MAX_NR_ZONES)) */
> > +#define MAX_NR_ZONES 4 /* Sync this with ZONES_SHIFT */
> > +#define ZONES_SHIFT 3 /* ceil(log2(MAX_NR_ZONES)) */
>
> Why needs ZONES_SHIFT to be increased?
>
> > -#define FLAGS_RESERVED 8
> > +#define FLAGS_RESERVED 9
>
> I would prefer to keep this at 8.

sparsemem needs these two.

-Andi