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    SubjectRe: [patch] tip/x86_64: fix e820 merge issue which broke max_pfn_mapped
    On Wed, Jul 9, 2008 at 11:50 AM, Suresh Siddha
    <suresh.b.siddha@intel.com> wrote:
    > On Wed, Jul 09, 2008 at 11:47:38AM -0700, Yinghai Lu wrote:
    >> On Wed, Jul 9, 2008 at 11:44 AM, Suresh Siddha
    >> <suresh.b.siddha@intel.com> wrote:
    >> > On Wed, Jul 09, 2008 at 11:11:36AM -0700, Jeremy Fitzhardinge wrote:
    >> >> Yinghai Lu wrote:
    >> >> > try to reduce #ifdef CONFIG_X86_64/32, and make 32/64 at the same page.
    >> >> >
    >> >> > could be some regression from early_io_remap unifying from jeremy
    >> >> >
    >> >> > please check attached revert patch.
    >> >>
    >> >> Could my patch "x86_64: there's no need to preallocate
    >> >> level1_fixmap_pgt" be a problem in itself? It seems sound to me, but
    >> >
    >> > Yep. Reverting it made my system with 2GB memory boot fine again.
    >>
    >> only revert that one, or using the big revert patch i sent out.
    >
    > I reverted just the "x86_64: there's no need to preallocate level1_fixmap_pgt"

    can you try to remove
    #ifdef CONFIG_X86_32

    that will make e820_end return end_of_ram again...

    YH


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