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

[Andi Kleen]

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
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