Messages in this thread | | | Date | Tue, 28 Oct 2014 14:04:00 +0100 | From | Juergen Gross <> | Subject | Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list |
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On 10/28/2014 01:39 PM, David Vrabel wrote: > On 28/10/14 12:07, Juergen Gross wrote: >> >> Okay, back to the original question: is the (up to) 64 MB virtual >> mapping of the p2m list on 32-bit pv domains a problem or not? > > I think up-to 64 MiB of vmalloc area is fine. The vmalloc space can be > increased with a command line option in the unlikely event that there > are domUs that would be affected.
Okay.
> >> If yes, the virtual mapped linear p2m list could still be used on >> 64 bit domains, paving the way for support of more than 512 GB of >> domain memory. OTOH having to keep the p2m tree coding alive isn't >> my favorite solution... > > Having to keep both the tree and linear p2m code would be awful. Let's > not do this!
Agreed. :-)
Juergen
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