Re: [Xen-devel] [PATCH v3 3/3] xl: Improve xl documentation in regards to guest memory management

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Daniel Kiper writes ("Re: [Xen-devel] [PATCH v3 3/3] xl: Improve xl 
documentation in regards to guest memory management"):
> On Mon, Apr 08, 2013 at 05:19:00PM +0100, Ian Jackson wrote:
> > Presumably hotplugged memory can be ballooned too.  So perhaps we need
> > another column ?
> 
> I think that it is better to add comment that after
> hotplugging memory could be ballooned down.

I'd prefer not to make the diagram wrong.  Perhaps it would be better
to annotate the "static maximum" to say that it might be increased by
memory hotplug.

> > It might be worth adding:
> >
> >   "Guests whose actual allocation exceeds the target may experience
> >    memory allocation failures."
> 
> ... or "Guests which attempts to exceed the target may experience
> memory allocation failures."

No, because a guest which is being asked to shrink will experience
memory allocation failures if it doesn't shrink monotonically.

Ian.

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