linux-kernel - Re: [PATCH] Provide an interface to limit total page cache.

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Message-ID: <20070118140009.GA4814@ucw.cz>
Date:	Thu, 18 Jan 2007 14:00:10 +0000
From:	Pavel Machek <pavel@....cz>
To:	Roy Huang <royhuang9@...il.com>
Cc:	linux-kernel@...r.kernel.org, aubreylee@...il.com,
	nickpiggin@...oo.com.au, torvalds@...l.org
Subject: Re: [PATCH] Provide an interface to limit total page cache.

Hi!

> A patch provide a interface to limit total page cache in
> /proc/sys/vm/pagecache_ratio. The default value is 90 
> percent. Any
> feedback is appreciated.

Are you sure percentage is right thing to use? 1% of 200GB machine is
2GB... granularity seems too big here. KB? parts per million?

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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