Messages in this thread | | | Date | Thu, 2 Mar 2006 09:41:53 +0000 | From | Russell King <> | Subject | Re: How to map high memory for block io |
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On Thu, Mar 02, 2006 at 08:26:50AM +0100, Pierre Ossman wrote: > Russell King wrote: > > Okay, I've hit this same problem (but in a slightly different way) with > > mmci.c. The way I'm proposing to fix this for mmci is to introduce a > > new capability which says "clustering is supported by this driver." > > This will decrease performance more than necessary for drivers that can > do clustering, just not in highmem. So what about another flag that says > "highmem is supported by this driver"?
I think you're asking Jens that question - I know of no way to tell the block layer that clustering is fine for normal but not highmem.
-- 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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