Re: [RFC v2 03/20] memory: merge adjacent segments of a single memory region

Jan Kiszka
2011-06-27T13:56:35Z

On 2011-06-27 15:21, Avi Kivity wrote:
> Simple implementations of memory routers, for example the Cirrus VGA memory banks
> or the 440FX PAM registers can generate adjacent memory regions which are contiguous.
> Detect these and merge them; this saves kvm memory slots and shortens lookup times.

That reminds me of KVM_CAP_JOIN_MEMORY_REGIONS_WORKS. Have you checked
if things still work in the absence of the feature or if we need to lift
our requirements on the host kernel (would be 2.6.30, not that problematic)?

Jan

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