Re: [PATCH 0/3] Virtual huge zero page

Andrea Arcangeli
2012-10-01T18:06:12Z

On Mon, Oct 01, 2012 at 10:33:12AM -0700, H. Peter Anvin wrote:
> ... and I think it would be worthwhile to know which effect dominates
> (or neither, in which case it doesn't matter).
>
> Overall, I'm okay with either as long as we don't lock down 2 MB when
> there isn't a huge zero page in use.

Same here.

I agree the cmpxchg idea to free the 2M zero page, was a very nice
addition to the physical zero page patchset.