Re: [PATCH 6/9] clockpro-clockpro.patch
- From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
- Date: Sat, 31 Dec 2005 12:29:06 +0100
Forgot one in the previous mail.
On Fri, 2005-12-30 at 22:24 -0200, Marcelo Tosatti wrote:
> Please make it easier for others to understand why the hands
> swap, and when, and why.
Its not the hands that swap, its the lists. The hands will lap each
other, like the minute hand will lap the hour hand every ~65 minutes.
Let me try some ascii art.
====
^---<>---v
====
'=' a page
'^---<' hand cold
'>---v' hand hot
now let hand cold move 4 pages:
^---<>---v
========
ie. hand hot and hand cold have the same position.
now if we want to move hand cold one more position this happens:
=======
^---<>---v
=
see the swap?
--
Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
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- References:
- [PATCH] vm: page-replace and clockpro
- From: Peter Zijlstra
- [PATCH 6/9] clockpro-clockpro.patch
- From: Peter Zijlstra
- Re: [PATCH 6/9] clockpro-clockpro.patch
- From: Marcelo Tosatti
- [PATCH] vm: page-replace and clockpro
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