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    SubjectRe: mmotm boot panic bootmem-avoid-dma32-zone-by-default.patch
    On 03/05/2010 02:26 AM, Jiri Slaby wrote:
    > On 03/05/2010 10:04 AM, Yinghai Lu wrote:
    >> according to context
    >> http://patchwork.kernel.org/patch/73893/
    >>
    >> Jiri,
    >> please check current linus tree still have problem about mem_map is using that much low mem?
    >
    > Hi!
    >
    > Sorry, I don't have direct access to the machine. I might try to ask the
    > owners to do so.
    >
    >> on my 1024g system first node has 128G ram, [2g, 4g) are mmio range.
    >
    > So where gets your mem_map allocated (I suppose you're running flat model)?

    what kernel version? 2.6.27?

    x86 64bit now only support SPARSEMEM.

    Yinghai



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