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xen-devel
RE: [Xen-devel] what happens when a PoD page is touched?
> > -----Original Message-----
> [snip]
> >
> > Ideally, once Hyper-V brings in an interface for dynamic memory
> > ballooning in guests, we can use that and avoid this whole rigmarole
> > for new windows version.
> >
>
> Yes, it would be nice if newer viridian-aware kernels did not
zero-scrub
> memory at start of day. This was certainly not what we observed with
original
> windows 7 kernels, which relied on the zero-scrubbing having been done
where
> older kernels did not (particularly when setting up pagetables IIRC).
That
> pre-dates ballooning in hyper-V of course so I guess it'd be worth
examining
> the behaviour of an SP1 system at start of day.
>
I've not seen any slowdown on boot with any version of Windows until I
go to actually do the balloon down...
James
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