On Wed, Jul 11, 2018 at 01:09:49PM +0200, Michal Hocko wrote:
> But let me note that I am not really convinced how this (or previous)
> approach will really work in most workloads. We tend to cache heavily so
> there is rarely any memory free.

It might be that it's worth flushing the cache when VM is
migrating. Or maybe we should implement virtio-tmem or add
transcendent memory support to the balloon.

-- 
MST
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