Re: Live memory allocation?

Brian Jackson
2009-03-30T15:46:15Z

On Monday 30 March 2009 08:23:44 Alberto Treviño wrote:
> On Saturday 28 March 2009 11:17:42 am you wrote:
> > KVM devs have a patch called KSM (short for kernel shared memory I think)
> > that helps windows guests a good bit. See the original announcement [1]
> > for some numbers. I spoke to one of the devs recently and they said they
> > are going to resubmit it soon.
>
> I remember the discussion about KSM. First, the kernel developers were not
> very happy with the approach, and second, there were some patent
> implications with VMware.

Some (one?) of the kernel devs didn't like it, then admitted that he hadn't
even read the patch. And as Alan Cox pointed out, if there was some patent
problem, it should be handled by lawyers. There was also prior art (even in
Linux) from quite some time ago. So, I think we are safe for now.

--Brian Jackson

>
> Have these issues been resolved? Don't get me wrong. I'm not trying to
> stop KSM, I'm just wondering if I can get my hopes up again. I thought KSM
> was a great idea and I'd love to get my hands on it.