Re: [PATCH] Re: news about IDE PIO HIGHMEM bug (was: Re: 2.6.9-mm1)

[Andrew Morton]

Jeff Garzik <jgarzik@xxxxxxxxx> wrote:
>
> > However, pfn_to_page(page_to_pfn(page) + 1) might be safer. If rather slower.
> 
> 
> Is this patch acceptable to everyone?  Andrew?

spose so.  The scatterlist API is being a bit silly there.

It might be worthwhile doing:

#ifdef CONFIG_DISCONTIGMEM
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + n)
#else
#define nth_page(page,n) ((page)+(n))
#endif

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