Re: [RFC PATCH 0/2] Expose available KVM free memory slot count to help avoid aborts

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On Tue, Jan 25, 2011 at 07:33:40PM +0200, Avi Kivity wrote:
> On 01/25/2011 04:59 PM, Michael S. Tsirkin wrote:
> >On Tue, Jan 25, 2011 at 04:53:44PM +0200, Avi Kivity wrote:
> >>  For the other lookups, which we
> >>  believe will succeed, we can assume the probablity of a match is
> >>  related to the slot size, and sort the slots by page count.
> >
> >Unlikely to be true for assigned device BARs.
> 
> We'll have a large slot at 4G+ - EOM, a medium slot at 1M-3G, and
> lots of small slots for BARs and such.
> 
> The vast majority of faults will either touch one of the two largest
> slots, or will miss all slots.  Relatively few will hit the small
> slots.

Not if you are using one of the assigned devices and don't
do any faults on memory :)

> -- 
> error compiling committee.c: too many arguments to function
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