Re: [Xen-devel] implementing memory ballooning in WIndows

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 03/06/2009 15:14, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

> #2 is pretty much where I was going. My concern was that Windows says "I
> have 4GB of memory, so I can use X amount for this and Y amount for that
> and Z amount for something else", and when the memory is reduced down to
> (say) 1GB, I was worried that Windows might get a bit unbalanced. Same
> with Linux when it makes decisions about how much space to reserve for
> network buffers etc.
> 
> But it seems that you have taken the stance that there is no such
> problem, so I'll do the same.

It simply restricts how aggressively you can balloon. Ballooning to 1/4 of
original memory, say, will be okay. Ballooning to 1/40 not so much.

 -- Keir



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