linux-kernel - Re: dma_mapping

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Message-Id: <E1I4hsU-0002lx-00@gondolin.me.apana.org.au>
Date:	Sun, 01 Jul 2007 02:41:02 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	muli@...ibm.com (Muli Ben-Yehuda)
Cc:	ak@...e.de, jeremy@...p.org, linux-kernel@...r.kernel.org,
	jbeulich@...ell.com, tony.luck@...el.com
Subject: Re: dma_mapping_ops for i386

Muli Ben-Yehuda <muli@...ibm.com> wrote:
>
>> And probably some similar mechanism for network drivers that limits
>> MTUs.
> 
> Will that guarantee that block and net IOs will not straddle a page
> boundary?

Mostly.  There is the thorny case of slab debugging that breaks
these nice assumptions.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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