[PATCH 0/4] mm: Memory hotplug and sparsemem cleanups

[Daniel Kiper]

Hi,

Full list of cleanups:
  - mm: Remove dependency on CONFIG_FLATMEM from online_page(),
  - mm: Enable set_page_section() only if CONFIG_SPARSEMEM
    and !CONFIG_SPARSEMEM_VMEMMAP,
  - mm: pfn_to_section_nr()/section_nr_to_pfn() is valid
    only in CONFIG_SPARSEMEM context,
  - mm: Do not define PFN_SECTION_SHIFT if !CONFIG_SPARSEMEM.

Those patches applies to Linus' git tree, v2.6.39-rc5 tag.
They are required by latest memory hotplug support for Xen balloon
driver patch which will be sent soon.

Daniel
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