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SubjectRe: speed difference between using hard-linked and modular drives?
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Ingo Molnar <mingo@elte.hu> writes:
>
> we should fix this by trying to allocate continuous physical memory if
> possible, and fall back to vmalloc() only if this allocation fails.

Check -aa. A patch to do that has been in there for some time now.

-Andi

P.S.: It makes a measurable difference with some Oracle benchmarks with
the Qlogic driver.

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