linux-kernel - Re: [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown

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Message-ID: <45A6020F.6030604@yahoo.com.au>
Date:	Thu, 11 Jan 2007 20:23:27 +1100
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	David Chinner <dgc@....com>
CC:	Christoph Lameter <clameter@....com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Linux Memory Management <linux-mm@...ck.org>
Subject: Re: [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown

Thanks. BTW. You didn't cc this to the list, so I won't either in case
you want it kept private.

David Chinner wrote:
> On Thu, Jan 11, 2007 at 12:08:10PM +1100, Nick Piggin wrote:
> 
>>Ahh, sorry to be unclear, I meant:
>>
>>  cat /proc/vmstat > pre
>>  run_test
>>  cat /proc/vmstat > post
> 
> 
> 6 files attached - 2.6.18 pre/post, 2.6.20-rc3 dirty_ratio = 10 pre/post
> and 2.6.20-rc3 dirty_ratio=40 pre/post.
> 
> Cheers,
> 
> Dave.
> 
> 
> ------------------------------------------------------------------------
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