[RFC PATCH 0/8] memory-hotplug : hot-remove physical memory(clearpage table)

[Wen Congyang]

This patch series aims to support physical memory hot-remove(clear page table).

This patch series base on ishimatsu's patch series. You can get it here:
http://www.spinics.net/lists/linux-acpi/msg36804.html

The patches can remove following things:
  - page table of removed memory

If you find lack of function for physical memory hot-remove, please let me
know.

Note:
* The patch "remove memory info from list before freeing it" is being disccussed
  in other thread. But for testing the patch series, the patch is needed.
  So I added the patch as [PATCH 0/8].
* You need to apply ishimatsu's patch series first before applying this patch
  series.

Wen Congyang (8):
  memory-hotplug: store the node id in acpi_memory_device
  memory-hotplug: offline memory only when it is onlined
  memory-hotplug: call remove_memory() to cleanup when removing memory
    device
  memory-hotplug: export the function acpi_bus_remove()
  memory-hotplug: call acpi_bus_remove() to remove memory device
  memory-hotplug: introduce new function arch_remove_memory()
  x86: make __split_large_page() generally avialable
  memory-hotplug: implement arch_remove_memory()

 arch/ia64/mm/init.c                  |   16 ++++
 arch/powerpc/mm/mem.c                |   14 +++
 arch/s390/mm/init.c                  |    8 ++
 arch/sh/mm/init.c                    |   15 +++
 arch/tile/mm/init.c                  |    8 ++
 arch/x86/include/asm/pgtable_types.h |    1 +
 arch/x86/mm/init_32.c                |   10 ++
 arch/x86/mm/init_64.c                |  160 ++++++++++++++++++++++++++++++++++
 arch/x86/mm/pageattr.c               |   47 +++++-----
 drivers/acpi/acpi_memhotplug.c       |   24 ++++--
 drivers/acpi/scan.c                  |    3 +-
 include/acpi/acpi_bus.h              |    1 +
 include/linux/memory_hotplug.h       |    1 +
 mm/memory_hotplug.c                  |    2 +-
 14 files changed, 280 insertions(+), 30 deletions(-)

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