Messages in this thread | | | Date | Fri, 27 Jan 2006 20:16:03 +0000 | From | Russell King <> | Subject | Re: How to map high memory for block io |
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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 - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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