[RFC/PATCH: 000/010] Memory hotplug for new nodes with pgdat allocation.

Hello.

I'll post newest patches for memory hotadd.
In this this patch, pgdat is allocated when new node is comming.
To initialize pgdat and zones, a set of patches are necessary.
  - to allcate and initialize pgdat, zone, zonelist.
  - to initialize node_data[] array (ia64)
  - to register sysfs file for new node.
  - to call memory_hotplug code from acpi container driver.

Note:
 - kmalloc is used for pgdat allocation in this version.
   So, even if pgdat is allocated, it will be allocated on the other node.
   This is only to simplify patches a bit. :-P
 - register sysfs file for new node is just for ia64.
   I hacked quickly for x86_64, but x86_64 doesn't use sysfs file
   for node. So, I gave up at least this week.....


This patches are for 2.6.16-rc2-mm1.

Please comment.

Thanks.
-- 
Yasunori Goto 


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