Messages in this thread | | | Date | Fri, 27 Jan 2006 15:14:50 +0100 | From | Pierre Ossman <> | Subject | Re: How to map high memory for block io |
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Jens Axboe wrote: > On Fri, Jan 27 2006, Pierre Ossman wrote: > >> >> If I set the limit to BLK_BOUNCE_HIGH then (page_address(sg->page) + >> sg->offset) is guaranteed to be directly accessible for the entire >> sg->length on all architectures, right? This seems to be the assumption >> in the USB ub driver at least. >> > > Yes, hence my initial suggestion to just do that. > >
Just making sure I understood it correctly. These bugs tend to be a pain to debug so I'd prefer to get it right from the start. :)
Thanks for the help.
Rgds Pierre
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