linux-kernel - Re: [PATCH 05/10] AXFS: axfs

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Message-ID: <48AD4160.7000408@de.ibm.com>
Date:	Thu, 21 Aug 2008 12:20:16 +0200
From:	Carsten Otte <cotte@...ibm.com>
To:	David Woodhouse <dwmw2@...radead.org>
CC:	carsteno@...ibm.com, jaredeh@...il.com,
	Linux-kernel@...r.kernel.org, linux-embedded@...r.kernel.org,
	linux-mtd <linux-mtd@...ts.infradead.org>,
	Jörn Engel <joern@...fs.org>,
	tim.bird@...SONY.COM, nickpiggin@...oo.com.au
Subject: Re: [PATCH 05/10] AXFS: axfs_profiling.c

David Woodhouse wrote:
> On Thu, 2008-08-21 at 10:44 +0200, Carsten Otte wrote:
>> Jared Hulbert wrote:
>>> Profiling is a fault instrumentation and /proc formating system.
>>> This is used to get an accurate picture of what the pages are actually used.
>>> Using this info the image can be optimized for XIP
> 
>> Exporting profiling data for a file system in another file system 
>> (/proc) seems not very straigtforward to me. I think it is worth 
>> considering to export this information via the same mount point.
> 
> I would have said sysfs, rather than 'the same mount point'.
Well, filesystems are usually not represented in the device model. 
It'd be possible to add a system device for it, but that does'nt feel 
like the right solution to me.
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