linux-kernel - Re: [RFC][PATCH] mm: stop balance_dirty

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Message-Id: <200906252010.33535.a1426z@gawab.com>
Date:	Thu, 25 Jun 2009 20:10:33 +0300
From:	Al Boldi <a1426z@...ab.com>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Kennedy <richard@....demon.co.uk>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH] mm: stop balance_dirty_pages doing too much work

Jens Axboe wrote:
> The test case is random mmap writes to files that have been laid out
> sequentially. So it's all seeks. The target drive is an SSD disk though,
> so it doesn't matter a whole lot (it's a good SSD).

Oh, SSD.  What numbers do you get for normal disks?


Thanks!

--
Al

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