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[Xen-devel] Re: [PATCH 1/4] mm: Remove dependency on CONFIG_FLATMEM from online_page()

On Tue, 2011-05-03 at 00:18 +0200, Daniel Kiper wrote:
> >         bool "Allow for memory hot-add"
> >         depends on SPARSEMEM || X86_64_ACPI_NUMA
> >         depends on HOTPLUG && ARCH_ENABLE_MEMORY_HOTPLUG
> >         depends on (IA64 || X86 || PPC_BOOK3S_64 || SUPERH || S390)
> IIRC some time ago it was possible to enable memory hotplug with
> CONFIG_FLATMEM. That is why I looked for any dependencies of memory
> hoplug code on CONFIG_FLATMEM in current Linux Kernel source. I could
> not find anything and that is why I published this patch. However,
> maybe I missed something.

I can't find any immediately apparent case, either.  Guess that's what
LKML is for. :)

Acked-by: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>

-- Dave

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