[RFC PATCH v2 12/25] mm: add memlayout & dnuma to track pfn->nid & transplant pages between nodes

2013-04-11 Thread Cody P Schafer
On some systems, the hypervisor can (and will) relocate physical addresses as seen in a VM between real NUMA nodes. For example, IBM Power systems which are using particular revisions of PHYP (IBM's proprietary hypervisor) This change set introduces the infrastructure for tracking & dynamically

[RFC PATCH v2 12/25] mm: add memlayout dnuma to track pfn-nid transplant pages between nodes

2013-04-11 Thread Cody P Schafer
On some systems, the hypervisor can (and will) relocate physical addresses as seen in a VM between real NUMA nodes. For example, IBM Power systems which are using particular revisions of PHYP (IBM's proprietary hypervisor) This change set introduces the infrastructure for tracking dynamically