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Subject[RFC][PATCH] VPIDs: Virtualization of PIDs (OpenVZ approach)
[RFC][PATCH] VPIDs: Virtualization of PIDs (OpenVZ approach)

OpenVZ project would like to present another approach for VPIDs
developed by Alexey Kuznetsov. These patches were heavily tested and
used for half a year in OpenVZ already.

OpenVZ VPIDs serves the same purpose of VPS (container) checkpointing
and restore. OpenVZ VPS checkpointing code will be released soon.

These VPIDs patches look less intrusive than IBM's, so I would ask to
consider it for inclusion. Other projects can benefit from this code as
well.

Patch set consists of 7 patches.
The main patches are:
- diff-vpids-macro, which introduces pid access interface
- diff-vpids-core, which introduces pid translations where required
using new interfaces
- diff-vpids-virt, which introduces virtual pids handling in pid.c and
pid mappings for VPSs

Patches are against latest 2.6.16-rc1-git6

Kirill Korotaev,
OpenVZ team

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