powerpc: Add memory_hotplug_max()

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Add a function to get the maximum address that can be hotplug added.
This is needed to calculate the size of the tce table needed to cover
all memory in 1:1 mode.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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Nishanth Aravamudan 2010-10-26 17:35:12 +00:00 • committed by Benjamin Herrenschmidt

parent f6aedd8606

commit cd34206e94

2 changed files with 31 additions and 0 deletions

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5

arch/powerpc/include/asm/mmzone.h

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26

arch/powerpc/mm/numa.c

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