Re: [Xen-devel] Loopback images

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>]

> Another thing that I would really like to see is support for big memory (and 
> I'm not implying that Mark should do this too! :o)  ). Eventually of course 
> we'll be using 64 bit machines, but we will still have a number of dual Xeon 
> machines in our cluster and being limited by the amount of RAM we can use is 
> a potential concern (we'll be running MySQL databases on quite a proportion 
> of the VMs). At the moment I have 4GB in each node, but I'd like to be able 
> to raise that to 12GB. I know this is probably non-trivial, but I think it 
> would be widely used, especially by folks with large numbers of 32 bit 
> machines converted to use Xen. 

It wouldn't be particularly difficult to add support for x86_32
systems with more than 4GB, but would be a fair amount of work
and isn't very high on our priority list. The PAE36 3-level page
tables are all a bit of a hack, and we'd much rather put our
efforts into x86_64. 

I don't reckon there are that many x86 systems with more than 4GB
in use right now, and everything on the market will be x86_64
very soon anyhow.

Ian


-------------------------------------------------------
This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170
Project Admins to receive an Apple iPod Mini FREE for your judgement on
who ports your project to Linux PPC the best. Sponsored by IBM.
Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/xen-devel