Messages in this thread | | | From | Mike Waychison <> | Date | Tue, 30 Oct 2012 09:25:49 -0700 | Subject | Re: [PATCH] Add a page cache-backed balloon device driver. |
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On Tue, Oct 30, 2012 at 8:29 AM, Michael S. Tsirkin <mst@redhat.com> 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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