Re: [Xen-devel] Proposed XENMEM_claim_pages hypercall: Analysis of problem and alternate solutions

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 11/01/13 19:08, Konrad Rzeszutek Wilk wrote:
> > > The xenshared daemon.
> > That's not in the tree. Unbeknownst to me. Would appreciate to know more. Or is 
> > it a symbolic placeholder in this conversation?
> OK, I am confused then. I thought there was now an daemon that would take
> care of the PoD and swapping? Perhaps its called something else?
FYI PoD at the moment is all handled within the hypervisor.  There was 
discussion of extending the swap daemon (sorry, also don't know the 
official name off the top of my head) to handle PoD, since PoD is 
essentially a degenerate case of swapping, but it hasn't happened yet.  
In any case it will need to be tested first, since it may cause boot 
time for pre-ballooned guests to slow down unacceptably.
 -George



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