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SubjectRe: How to map high memory for block io
On Fri, Jan 27, 2006 at 09:12:16PM +0100, Pierre Ossman wrote:
> Russell King wrote:
> > > I don't see what the problem is. A sg entry is a list of struct page
> > > pointers, an offset, and a size. As such, it can't describe a transfer
> > > which crosses a page because such a structure does not imply that one
> > > struct page follows another struct page.
> If the pages do not strictly follow each other then there is a lot of
> broken code in the kernel. drivers/mmc/mmci.c and drivers/block/ub.c
> being two occurences since both assume they can access the entire entry
> through a single mapping.

Why am I getting duplicates of this message? Please don't forcefully
send me duplicates - it's a waste of my bandwidth. Thanks.

Russell King
Linux kernel 2.6 ARM Linux -
maintainer of: 2.6 Serial core
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