* [RFC/PATCH: 000/010] Memory hotplug for new nodes with pgdat allocation.
@ 2006-02-10 14:20 Yasunori Goto
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From: Yasunori Goto @ 2006-02-10 14:20 UTC (permalink / raw)
To: Luck, Tony, Andi Kleen, Tolentino, Matthew E
Cc: Linux Kernel ML, linux-ia64, x86-64 Discuss,
Linux Hotplug Memory Support
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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