Date: Wed, 26 Sep 2007 14:14:44 -0700 (PDT)
Message-Id: <20070926.141444.77257648.davem@davemloft.net>
To: willy@linux.intel.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] dmapool: Improve memory usage for devices which
 can't cross boundaries
From: David Miller <davem@davemloft.net>
In-Reply-To: <11908332791548-git-send-email-willy@linux.intel.com>
References: <20070926185757.GM3899@parisc-linux.org>
	<11908332791548-git-send-email-willy@linux.intel.com>
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From: Matthew Wilcox <willy@linux.intel.com>
Date: Wed, 26 Sep 2007 15:01:19 -0400

> The previous implementation simply refused to allocate more than a
> boundary's worth of data from an entire page.  Some users didn't know
> this, so specified things like SMP_CACHE_BYTES, not realising the
> horrible waste of memory that this was.  It's fairly easy to correct
> this problem, just by ensuring we don't cross a boundary within a page.
> This even helps drivers like EHCI (which can't cross a 4k boundary)
> on machines with larger page sizes.
> 
> Signed-off-by: Matthew Wilcox <willy@linux.intel.com>

This one looks good to me:

Acked-by: David S. Miller <davem@davemloft.net>
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