Messages in this thread | | | Date | Tue, 30 Oct 2012 17:29:25 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH] Add a page cache-backed balloon device driver. |
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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?
-- MST
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