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xen-devel
Re: [Xen-devel] Memory Sharing on HVM guests
At 07:11 +0000 on 17 Feb (1297926672), Lakshitha Harshan wrote:
> I am a 4th year Computer Science undergraduate of University of
> Colombo School of Computing. We are required to do a research project
> on this year. So I have submitted a research proposal on optimizing
> the memory page sharing on xen. It has approved and now we are
> required implement it.
Excellent. How do you plan to optimize it?
> I'm willing to implement it on Xen hypervisor 4.0.1, based on the
> previous work on memory page sharing for HVM guests in Xen 4.0.1. But
I recommend working on the release candidate for 4.1.0 (4.1.0-rc5,
http://hg.uk.xensource.com/xen-unstable.hg/log/22929) where page sharing
is in much better shape. MaoXiaoyun and Jui-Hao Chiang have been
working on it recently, and I hope will continue to do so after the
4.1.0 release.
> I could not find sufficient documentation on these source codes. If
> someone can provide me the following details on memory page sharing on
> HVM, it would be a great help for me.
You should start by searching the archives of xen-devel for the recent
threads about it, and using your favourite IDE to search the source code
for "memory sharing".
Cheers,
Tim.
> 1. Which source files are involved in implementation of memory page sharing
> 2. When the mechanism is initiated to look for sharable pages and how
> 3. How the page sharing mechanism works
> 4. What happens if the owner of a shared page is quitting or trying to put
> the shared pages on disk
>
> Thanking you.
> Harshan
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
--
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd. (Company #02937203, SL9 0BG)
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