linux-kernel - Re: [RFC PATCH 0/8] Reduce filesystem writeback from page reclaim v2

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Message-ID: <20110727073737.GG3010@suse.de>
Date:	Wed, 27 Jul 2011 08:37:37 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	Linux-MM <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
	XFS <xfs@....sgi.com>, Dave Chinner <david@...morbit.com>,
	Christoph Hellwig <hch@...radead.org>,
	Johannes Weiner <jweiner@...hat.com>,
	Wu Fengguang <fengguang.wu@...el.com>, Jan Kara <jack@...e.cz>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [RFC PATCH 0/8] Reduce filesystem writeback from page reclaim v2

On Wed, Jul 27, 2011 at 01:32:17PM +0900, Minchan Kim wrote:
> >
> > http://www.csn.ul.ie/~mel/postings/reclaim-20110721
> >
> > Unfortunately, the volume of data is excessive but here is a partial
> > summary of what was interesting for XFS.
> 
> Could you clarify the notation?
> 1P :  1 Processor?
> 512M: system memory size?
> 2X , 4X, 16X: the size of files created during test
> 

1P   == 1 Processor
512M == 512M RAM (mem=512M)
2X   == 2 x NUM_CPU fsmark threads

-- 
Mel Gorman
SUSE Labs
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