On Wed, 2016-03-09 at 20:04 +0300, Roman Kagan wrote: > On Wed, Mar 09, 2016 at 05:41:39PM +0200, Michael S. Tsirkin wrote: > > On Wed, Mar 09, 2016 at 05:28:54PM +0300, Roman Kagan wrote: > > > For (1) I've been trying to make a point that skipping clean > > > pages is > > > much more likely to result in noticable benefit than free pages > > > only. > > > > I guess when you say clean you mean zero? > > No I meant clean, i.e. those that could be evicted from RAM without > causing I/O. > Programs in the guest may have that memory mmapped. This could include things like libraries and executables. How do you deal with the guest page cache containing references to now non-existent memory? How do you re-populate the memory on the destination host? -- All rights reversed
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