linux-kernel - Re: [patch 06/18] ieee1394: nopage

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Message-ID: <4756A477.1020903@s5r6.in-berlin.de>
Date:	Wed, 05 Dec 2007 14:15:35 +0100
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	npiggin@...e.de
CC:	akpm@...ux-foundation.org, krh@...hat.com,
	linux1394-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [patch 06/18] ieee1394: nopage

> npiggin@...e.de wrote:
>> @@ -275,7 +270,7 @@ int dma_region_mmap(struct dma_region *d
>>  	if (!dma->kvirt)
>>  		return -EINVAL;
>>  
>> -	/* must be page-aligned */
>> +	/* must be page-aligned (XXX: comment is wrong, we could allow pgoff) */
>>  	if (vma->vm_pgoff != 0)
>>  		return -EINVAL;
>>  
> 
> Are you sure that the comment is wrong?  Could it be that there are
> assumptions elsewhere which require page alignment?  (I should be able
> to answer that, but I'm not.)

PS:  Assumed the comment is wrong, is the code wrong then too?
-- 
Stefan Richter
-=====-=-=== ==-- --=-=
http://arcgraph.de/sr/
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