Re: [PATCH v5 00/11] Introduce huge zero page

[H. Peter Anvin]

On 11/14/2012 03:32 PM, Andrew Morton wrote:
> 
> The current code does the latter, by freeing the page via a
> "slab"-shrinker callback.
> 
> But I do suspect that with the right combination of use/unuse and
> memory pressure, we could still get into the high-frequency scenario.
> 

There probably isn't any mechanism that doesn't end up with poor results
in some corner case... just like the vhzp variant.

	-hpa

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