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    SubjectRe: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards
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    > On Tue, 19 Apr 2011, James Bottomley wrote:
    >
    > > > Which part of me telling you that you will break lots of other things in
    > > > the core kernel dont you get?
    > >
    > > I get that you tell me this ... however, the systems that, according to
    > > you, should be failing to get to boot prompt do, in fact, manage it.
    >
    > If you dont use certain subsystems then it may work. Also do you run with
    > debuggin on.
    >
    > The following patch is I think what would be needed to fix it.

    I'm worry about this patch. A lot of mm code assume !NUMA systems
    only have node 0. Not only SLUB.

    I'm not sure why this unfortunate mismatch occur. but I think DISCONTIG
    hacks makes less sense. Can we consider parisc turn NUMA on instead?





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