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VM followup: page migration and fragmentation avoidanceVM followup: page migration and fragmentation avoidancePosted Nov 25, 2005 21:14 UTC (Fri) by oak (guest, #2786)In reply to: VM followup: page migration and fragmentation avoidance by farnz Parent article: VM followup: page migration and fragmentation avoidance
Wouldn't this help also with something like Xen?
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VM followup: page migration and fragmentation avoidance Posted Dec 1, 2005 15:15 UTC (Thu) by farnz (guest, #17727) [Link] 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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