Re: PRD_ENTRIES is 256

[Jeff Garzik]

Bartlomiej Zolnierkiewicz wrote:
> On Wednesday 25 of February 2004 10:53, William Lee Irwin III wrote:
>
> > PRD_ENTRIES is specified to be precisely 256; on platforms where
> > PAGE_SIZE varies from 4KB the calculation in the current expression
> > defining it is inaccurate, which may cause crashes. This patch changes
> > it to the constant literal 256.
>
>
> Ok, thanks.  However I cannot find 256 entries limit in any ATA document
> and from looking at the code 512 entries shouldn't be a problem (?).


I can't find the 256 limit either, but I would swear it exists...  I'll 
ask around.  Certainly it would be nice for lba48 to have larger tables...

	Jeff



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