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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 00/11] DMA sync errors
Date: Wed, 20 Jan 2010 16:36:37 -0800 (PST)
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From: Stephen Hemminger <shemminger@vyatta.com>
Date: Wed, 20 Jan 2010 16:34:10 -0800

> check_unmap has checks for different size, different type,
> call_ents, direction etc.
> 
> The code for get_nr_mapped_entries() is the only question;
> it is used by unmap_sg() and probably needs perfect match only.

Ok.