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    SubjectRe: divorce CONFIG_X86_PAE from CONFIG_HIGHMEM64G
    On Thu, 7 Jun 2007 19:35:51 -0700 William Lee Irwin III <wli@holomorphy.com> wrote:
    >> PAE is useful for more than supporting more than 4GB RAM. It supports
    >> expanded swapspace and NX executable protections. Some users may want
    >> NX or expanded swapspace support without the overhead or instability
    >> of highmem. For these reasons, the following patch divorces
    >> CONFIG_X86_PAE from CONFIG_HIGHMEM64G.

    On Thu, Jun 07, 2007 at 07:41:56PM -0700, Andrew Morton wrote:
    > Do (CONFIG_X86_PAE && !CONFIG_HIGHMEM64G) and (!CONFIG_X86_PAE && CONFIG_HIGHMEM64G)
    > kernels actually work? I wouldn't be surprised if there are places where we used
    > the incorrect one.

    !CONFIG_X86_PAE && CONFIG_HIGHMEM64G doesn't make sense and is not allowed
    by this patch. CONFIG_X86_PAE && !CONFIG_HIGHMEM64G works here.


    -- wli
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