Here's the latest shared page table patch.  Changes are mostly cleanups,
with the added feature that shared page tables are now a config option.
This means the patch should build on other architectures (this is untested).

At Andrew Morton's request, I've moved my development base to the -mm line.

Dave McCracken

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Dave McCracken          IBM Linux Base Kernel Team      1-512-838-3059
dmccr@us.ibm.com                                        T/L   678-3059