linux-kernel - Re: [PATCH] mm/page-writeback.c: remove outdated comment

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Message-ID: <20140602142900.GN2878@cmpxchg.org>
Date:	Mon, 2 Jun 2014 10:29:00 -0400
From:	Johannes Weiner <hannes@...xchg.org>
To:	Jianyu Zhan <nasa4836@...il.com>
Cc:	akpm@...ux-foundation.org, mhocko@...e.cz, riel@...hat.com,
	kosaki.motohiro@...fujitsu.com, cldu@...vell.com,
	handai.szj@...bao.com, paul.gortmaker@...driver.com,
	mpatlasov@...allels.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/page-writeback.c: remove outdated comment

On Mon, Jun 02, 2014 at 05:47:20PM +0800, Jianyu Zhan wrote:
> There is an orphaned prehistoric comment , which used to be against
> get_dirty_limits(), the dawn of global_dirtyable_memory().
> 
> Back then, the implementation of get_dirty_limits() is complicated and
> full of magic numbers, so this comment is necessary. But we now
> use the clear and neat global_dirtyable_memory(), which renders this
> comment ambiguous and useless. Remove it.
> 
> Signed-off-by: Jianyu Zhan <nasa4836@...il.com>

Acked-by: Johannes Weiner <hannes@...xchg.org>
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