From:	 Andi Kleen <ak@suse.de>
To:	 Ingo Molnar <mingo@elte.hu>
Subject: Re: speed difference between using hard-linked and modular drives?
Date:	 09 Nov 2001 00:00:19 +0100
Cc:	 linux-kernel@vger.kernel.org

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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