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VM followup: page migration and fragmentation avoidanceVM followup: page migration and fragmentation avoidancePosted Dec 1, 2005 15:15 UTC (Thu) by farnz (guest, #17727)In reply to: VM followup: page migration and fragmentation avoidance by oak Parent article: VM followup: page migration and fragmentation avoidance My (limited) understanding of Xen suggests not; Xen maps pages directly into the guest's address space (it just indirects page table changes through the hypervisor). Therefore, Xen doesn't gain from physical page migration or defragmentation (it always maps page-by-page, not in blocks).
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