linux-ext4 - Re: [patch 1/2/4] mm: writeback: cleanups in preparation for per-zone dirty limits

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Message-ID: <20110928092718.GD11313@suse.de>
Date:	Wed, 28 Sep 2011 10:27:19 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	Johannes Weiner <jweiner@...hat.com>
Cc:	Andrew Morton <akpm@...gle.com>,
	Christoph Hellwig <hch@...radead.org>,
	Dave Chinner <david@...morbit.com>,
	Wu Fengguang <fengguang.wu@...el.com>, Jan Kara <jack@...e.cz>,
	Rik van Riel <riel@...hat.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Chris Mason <chris.mason@...cle.com>,
	Theodore Ts'o <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>, xfs@....sgi.com,
	linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch 1/2/4] mm: writeback: cleanups in preparation for
 per-zone dirty limits

On Fri, Sep 23, 2011 at 04:41:07PM +0200, Johannes Weiner wrote:
> On Thu, Sep 22, 2011 at 10:52:42AM +0200, Johannes Weiner wrote:
> > On Wed, Sep 21, 2011 at 04:02:26PM -0700, Andrew Morton wrote:
> > > Should we rename determine_dirtyable_memory() to
> > > global_dirtyable_memory(), to get some sense of its relationship with
> > > zone_dirtyable_memory()?
> > 
> > Sounds good.
> 
> ---
> 
> The next patch will introduce per-zone dirty limiting functions in
> addition to the traditional global dirty limiting.
> 
> Rename determine_dirtyable_memory() to global_dirtyable_memory()
> before adding the zone-specific version, and fix up its documentation.
> 
> Also, move the functions to determine the dirtyable memory and the
> function to calculate the dirty limit based on that together so that
> their relationship is more apparent and that they can be commented on
> as a group.
> 
> Signed-off-by: Johannes Weiner <jweiner@...hat.com>

Acked-by: Mel Gorman <mel@...e.de>

-- 
Mel Gorman
SUSE Labs
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