[Xen-devel] Re: [PATCH 3/7] libxenlight resend: 8mb physmap slack for pv domains

[Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>]

The p2m is *inside* the pv guest. So the only "impact" is 
infinitesimally increasing the chances of an oom_killer going postal. 
This is not for hvm's with external p2m's
Andres
Vincent Hanquez wrote:
> On Thu, Dec 03, 2009 at 04:03:58PM +0000, Andres Lagar-Cavilla wrote:
>   
> > No extra memory is being allocated at all in any way. The only impact is 
> > a wee bit larger p2m table.
> >     
> yes, and that consumes memory. not sure that's one we care about in XCP,
> but as a rule to not make any exceptions, i want the amount to be explicetly
> tracked.
>
> note that also, whilst xend didn't have much done regarding memory stuff,
> xapi (the ocaml daemon running instead of xend in XCP) have load of changes
> regarding how we allocate and track things.
>
>   
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