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    SubjectRe: [PATCH 1/4] Memory Add Fixes for ppc64

    > Just curious if we still want to boost MAX_ORDER like this with 64k
    > pages? Doesn't that make the MAX_ORDER block size 256MB in this case?
    > Also, not quite sure what happens if memory size (a 16 MB multiple)
    > does not align with a MAX_ORDER block size (a 256MB multiple in this
    > case). My 'guess' is that the page allocator would not use it as it
    > would not fit within the buddy system.
    > cc'ing SPARSEMEM author Andy Whitcroft.

    Yes, the MAX_ORDER should be different indeed. But can Kconfig do that ?
    That is have the default value be different based on a Kconfig option ?
    I don't see that ... We may have to do things differently here...


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