linux-kernel - Re: [PATCH 1/2] x86: avoid unnecessary low zone allocation in Calgary's alloc

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Date:	Thu, 11 Sep 2008 21:10:06 +0300
From:	Muli Ben-Yehuda <muli@...ibm.com>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org,
	Alexis Bruemmer <alexisb@...ibm.com>
Subject: Re: [PATCH 1/2] x86: avoid unnecessary low zone allocation in
	Calgary's alloc_coherent

On Thu, Sep 11, 2008 at 11:08:47PM +0900, FUJITA Tomonori wrote:
> x86's common alloc_coherent (dma_alloc_coherent in dma-mapping.h) sets
> up the gfp flag according to the device dma_mask but Calgary doesn't
> need it because of virtual mappings. This patch avoids unnecessary low
> zone allocation.
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> Cc: Alexis Bruemmer <alexisb@...ibm.com>
> Cc: Muli Ben-Yehuda <muli@...ibm.com>

Looks good,

Acked-by: Muli Ben-Yehuda <muli@...ibm.com>

Cheers,
Muli
-- 
Workshop on I/O Virtualization (WIOV '08)
Co-located with OSDI '08, Dec 2008, San Diego, CA
http://www.usenix.org/wiov08
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