linux-kernel - Re: [PATCH 16/35] writeback: increase min pause time on concurrent dirtiers

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Message-ID: <21373.1292359075@localhost>
Date:	Tue, 14 Dec 2010 15:37:55 -0500
From:	Valdis.Kletnieks@...edu
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Wu Fengguang <fengguang.wu@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>, Dave Chinner <david@...morbit.com>,
	Christoph Hellwig <hch@....de>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	"Theodore Ts'o" <tytso@....edu>,
	Chris Mason <chris.mason@...cle.com>,
	Mel Gorman <mel@....ul.ie>, Rik van Riel <riel@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Greg Thelen <gthelen@...gle.com>,
	Minchan Kim <minchan.kim@...il.com>,
	linux-mm <linux-mm@...ck.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 16/35] writeback: increase min pause time on concurrent dirtiers

On Tue, 14 Dec 2010 21:24:15 +0100, Peter Zijlstra said:

> You're confused. 10*HZ jiffies is always 10 seconds.

I must be misremembering times past, when HZ was settable
but a jiffie was always 1/100th of a second...  Senility has
finally set it. :)

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