From: Christoph Lameter <cl@linux.com>
To: Zheng Da <zhengda1936@gmail.com>
Cc: linux-mm@kvack.org
Subject: Re: ClockPro in Linux MM
Date: Mon, 12 Mar 2012 11:04:05 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1203121102590.6396@router.home> (raw)
In-Reply-To: <CAFLer81iFkuyQQc8M_AR9pULQDyrMYZux2s3KPK-3kGzB2XTKw@mail.gmail.com>
On Mon, 12 Mar 2012, Zheng Da wrote:
> I try to understand the Linux memory management. I was told Linux uses
> ClockPro to manage page cache
> and http://linux-mm.org/PageReplacementDesign also says so for file pages.
> But when I read the ClockPro paper,
> it doesn't look the same. The Linux implementation doesn't have
> non-resident pages. Other than
> that, it doesn't have the same test period mentioned in the paper. I wonder
> if the Linux implementation
> have the same effect as ClockPro. Could anyone confirm Linux is still using
> ClockPro?
That Linux is using Clockpro is news to me. Linux Memory management uses
some ideas from Clockpro to improve reclaim etc but it does not implement ClockPro.
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next prev parent reply other threads:[~2012-03-12 16:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-12 15:19 Zheng Da
2012-03-12 16:04 ` Christoph Lameter [this message]
2012-03-12 17:32 ` Zheng Da
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