> On Tue, 2016-04-19 at 15:02 +0000, Li, Liang Z wrote: > > > > > > On Tue, 2016-04-19 at 22:34 +0800, Liang Li wrote: > > > > > > > > The free page bitmap will be sent to QEMU through virtio interface > > > > and used for live migration optimization. > > > > Drop the cache before building the free page bitmap can get more > > > > free pages. Whether dropping the cache is decided by user. > > > > > > > How do you prevent the guest from using those recently-freed pages > > > for something else, between when you build the bitmap and the live > > > migration completes? > > Because the dirty page logging is enabled before building the bitmap, > > there is no need to prevent the guest from using the recently-freed > > pages ... > > Fair enough. > > It would be good to have that mentioned in the changelog. Yes, I will. Thanks! Liang ��.n������g��� �a��� �&ޖ)���)��h���&������梷���� �Ǟ�m������)������^�����������v���O��zf������