Re: [PATCH] Add a page cache-backed balloon device driver.

[Mike Waychison]

On Tue, Oct 30, 2012 at 8:29 AM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> On Tue, Sep 11, 2012 at 12:10:18AM +0300, Michael S. Tsirkin wrote:
>> > On the plus side, having an exit taken here on each page turns out to
>> > be relatively cheap, as the vmexit from the page fault should be
>> > faster to process as it is fully handled within the host kernel.
>> >
>> > Perhaps some combination of both methods is required? I'm not sure :\
>>
>> Perhaps some benchmarking is in order :)
>> Can you try telling host, potentially MADV_WILL_NEED
>> in that case like qemu does, then run your proprietary test
>> and see if things work well enough?
>
> Ping. Had a chance to try that?

Not yet.  We've been focused on other things recently and probably
won't have a chance to return to this for a couple months at best.
Sorry :(
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