From: jschopp <jschopp@austin.ibm.com>
To: schwidefsky@de.ibm.com
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Andrew Morton <akpm@osdl.org>,
linux-mm@kvack.org, frankeh@watson.ibm.com, rhim@cc.gatech.edu
Subject: Re: Page host virtual assist patches.
Date: Thu, 27 Apr 2006 15:55:33 -0500 [thread overview]
Message-ID: <44512FC5.6090808@austin.ibm.com> (raw)
In-Reply-To: <1145964531.5282.59.camel@localhost>
> Which simple approach do you mean? The guest ballooner? That works
> reasonably well for a small number of guests. If you keep adding guests
> the overhead for the guest calls increases. Ultimately we believe that a
> combination of the ballooner method and the new hva method will yield
> the best results.
Don't forget memory hotplug in your combination mix. Your ballooner fragments the hell out
of your memory, and your hva method requires some work to keep the state updated. Memory
hotplug on the other hand suffers from neither of those problems.
That said, I rather like the hva method. It's quite clever.
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next prev parent reply other threads:[~2006-04-27 20:56 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-24 12:34 Martin Schwidefsky
2006-04-25 1:01 ` Andrew Morton
2006-04-25 7:19 ` Nick Piggin
2006-04-25 8:31 ` Martin Schwidefsky
2006-04-25 8:37 ` Andrew Morton
2006-04-25 10:44 ` Martin Schwidefsky
2006-04-25 16:29 ` Andrew Morton
2006-04-25 17:04 ` Martin Schwidefsky
2006-04-25 10:04 ` Nick Piggin
2006-04-25 11:28 ` Martin Schwidefsky
2006-04-25 12:13 ` Nick Piggin
2006-04-25 14:15 ` Martin Schwidefsky
2006-04-26 1:13 ` Nick Piggin
2006-04-26 7:39 ` Martin Schwidefsky
2006-04-26 12:03 ` Hubertus Franke
2006-04-27 20:55 ` jschopp [this message]
2006-04-25 8:10 ` Martin Schwidefsky
2006-04-25 8:26 ` Nick Piggin
2006-04-25 10:36 ` Martin Schwidefsky
2006-04-25 10:51 ` Nick Piggin
2006-04-25 12:18 ` Martin Schwidefsky
2006-04-25 8:30 ` Andrew Morton
2006-04-25 10:43 ` Martin Schwidefsky
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