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    SubjectRe: [PATCH 1/2] clean up for early_pfn_to_nid
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    From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    Date: Mon, 16 Feb 2009 09:50:42 +0900

    > On Fri, 13 Feb 2009 22:12:26 -0800 (PST)
    > David Miller <davem@davemloft.net> wrote:
    >
    > > From: Andrew Morton <akpm@linux-foundation.org>
    > > Date: Fri, 13 Feb 2009 14:20:32 -0800
    > >
    > > > I queued these as
    > > >
    > > > mm-clean-up-for-early_pfn_to_nid.patch
    > > > mm-fix-memmap-init-for-handling-memory-hole.patch
    > > >
    > > > and tagged them as needed-in-2.6.28.x. I don't recall whether they are
    > > > needed in earlier -stable releases?
    > >
    > > Every kernel going back to at least 2.6.24 has this bug. It's likely
    > > been around even longer, I didn't bother checking.
    > >
    >
    > Sparc64's one is broken from this commit.
    >
    > 09337f501ebdd224cd69df6d168a5c4fe75d86fa
    > sparc64: Kill CONFIG_SPARC32_COMPAT
    >
    > CONFIG_NODES_SPAN_OTEHR_NODES is set and config allows following kind of NUMA
    > This is requirements from powerpc.

    Well, actually this means that what broke sparc64 was the addition of
    NUMA support then. Users could and were enabling these options
    on sparc64 beforehand, I just updated defconfig to reflect the
    fact that my workstation was NUMA capable :)


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