Re: [linux-usb-devel] Re: "sr: unaligned transfer" in 2.5.2-pre1

From: Jens Axboe (
Date: Tue Jan 01 2002 - 12:39:02 EST

On Mon, Dec 31 2001, Andre Hedrick wrote:
> Matt,
> This was a point I tried to make but failed.
> Not all SCB/SRB's are highmem tested but OEM's claim support.
> This I tried to have BIO change to do highmen drop to the lowmem window
> upon entry of the request and this would have prevent most form breaking,
> but this did not seem to get warm acceptance.

default behaviour is to bounce any highmem page, nothings changed there.

if you are talking about mapping highmem pages temporarily like
mentioned in an email a few days back, then that's clearly a bad idea.

Jens Axboe

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