On Thu, Feb 23, 2012 at 11:42 AM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > The other approach is a memory page "discard" mechanism - which > obviously requires more code changes than zeroing freed pages. > > The advantage is that we don't take the brute-force and CPU intensive > approach of zeroing pages. It would be like a fine-grained ballooning > feature.
(disclaimer: i don't know the code, i'm just guessing) does KVM emulate the MMU? if so, is there any 'unmap page' primitive? -- Javier
