Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [1/3] Add 4GB DMA32 zone | Date | Mon, 12 Sep 2005 14:54:34 +0200 |
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On Monday 12 September 2005 14:50, Roman Zippel wrote: > Hi, > > On Mon, 12 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. > > What two? What are you talking about???
The two changes you quoted.
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