062c8f4c86
PVOs, and so the modified state of the page can no longer be communicated to the VM layer, causing pages not to be flushed to swap when needed, in turn causing memory corruption. Also make several correctness adjustments to I-Cache synchronization and TLB invalidation for 64-bit Book-S CPUs. Obtained from: projects/ppc64 Discussed with: grehan MFC after: 2 weeks