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

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On 01/27/2011 11:29 AM, Michael S. Tsirkin wrote:
On Thu, Jan 27, 2011 at 11:28:12AM +0200, Avi Kivity wrote:
>  On 01/27/2011 11:26 AM, Michael S. Tsirkin wrote:
>  >>   >Right. That's why I say that sorting by size might not be optimal.
>  >>   >Maybe a cache ...
>  >>
>  >>   Why would it not be optimal?
>  >>
>  >>   If you have 16GB RAM in two slots and a few megabytes here and there
>  >>   scattered in some slots, you have three orders of magnitudes to
>  >>   spare.
>  >
>  >Yes but you might not be accessing all that RAM.
>  >Maybe your workset is just tens of megabytes.
>
>  Great, then you fault it in and never touch the slots array again.

Yep. Except for emulated mmio :)


Which is why I want to cache the result of a negative lookup in the spte.

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

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