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Re: [libvirt] [PATCH v3 04/13] XML parsing for memory tunables



On Thu, 7 Oct 2010 12:49:29 +0100, "Daniel P. Berrange" <berrange redhat com> wrote:
> On Mon, Oct 04, 2010 at 12:47:22PM +0530, Nikunj A. Dadhania wrote:
> > On Mon, 4 Oct 2010 12:16:42 +0530, Balbir Singh <balbir linux vnet ibm com> wrote:
> > > * Nikunj A. Dadhania <nikunj linux vnet ibm com> [2010-09-28 15:26:30]:
<snip>
> > > > +        unsigned long hard_limit;
> > > > +        unsigned long soft_limit;
> > > > +        unsigned long min_guarantee;
> > > > +        unsigned long swap_hard_limit;
> > > 
> > > The hard_limit, soft_limit, swap_hard_limit are s64 and the value is
> > > in bytes. What is the unit supported in this implementation?
> 
> Actually if libvirt is built on 32bit these aren't big enough - make
> them into 'unsigned long long' data types I reckon.
> 
I was thinking that as we are having the unit of KB, we would be able to
represent 2^42 bytes of memory limit, ie. 4 Terabytes. Won't this suffice in
case of 32bit?

Nikunj


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